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CVE-2026-24306 (GCVE-0-2026-24306)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:47 – Updated: 2026-04-01 13:49 Exclusively Hosted Service
VLAI
EPSS
Title
Azure Front Door Elevation of Privilege Vulnerability
Summary
Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Azure Front Door |
Affected:
-
|
Date Public
2026-01-22 16:00
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Title
Уязвимость облачной службы Azure Front Door программной платформы Microsoft Azure, позволяющая нарушителю повысить свои привилегии
Description
Уязвимость облачной службы Azure Front Door программной платформы Microsoft Azure связана с ошибками разграничения доступа. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, повысить свои привилегии
Severity
Vendor
Microsoft Corp
Software Name
Azure Front Door
Software Version
- (Azure Front Door)
Possible Mitigations
Использование рекомендаций производителя:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306
Reference
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306
CWE
CWE-284
{
"CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"CVSS 4.0": null,
"remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
"remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
"\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Microsoft Corp",
"\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "- (Azure Front Door)",
"\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306",
"\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "22.01.2026",
"\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "27.01.2026",
"\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "27.01.2026",
"\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-00847",
"\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-24306",
"\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
"\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
"\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Azure Front Door",
"\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
"\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0431\u043b\u0430\u0447\u043d\u043e\u0439 \u0441\u043b\u0443\u0436\u0431\u044b Azure Front Door \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Microsoft Azure, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
"\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
"\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0434\u043e\u0441\u0442\u0443\u043f\u0430 (CWE-284)",
"\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0431\u043b\u0430\u0447\u043d\u043e\u0439 \u0441\u043b\u0443\u0436\u0431\u044b Azure Front Door \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Microsoft Azure \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u0440\u0430\u0437\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
"\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
"\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
"\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
"\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
"\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
"\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438",
"\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306",
"\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
"\u0422\u0438\u043f \u041f\u041e": "\u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
"\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-284",
"\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 10)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9,8)"
}
FKIE_CVE-2026-24306
Vulnerability from fkie_nvd - Published: 2026-01-22 23:15 - Updated: 2026-06-17 10:22
Severity
Summary
Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.
References
| URL | Tags | ||
|---|---|---|---|
| secure@microsoft.com | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| microsoft | azure_front_door | - |
{
"affected": [
{
"affectedData": [
{
"product": "Azure Front Door",
"vendor": "Microsoft",
"versions": [
{
"status": "affected",
"version": "-"
}
]
}
],
"source": "secure@microsoft.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:azure_front_door:-:*:*:*:*:*:*:*",
"matchCriteriaId": "F66AE777-ECFA-4FD1-A6B5-AD9E8181020A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [
{
"sourceIdentifier": "secure@microsoft.com",
"tags": [
"exclusively-hosted-service"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network."
},
{
"lang": "es",
"value": "Control de acceso inadecuado en Azure Front Door (AFD) permite a un atacante no autorizado elevar privilegios sobre una red."
}
],
"id": "CVE-2026-24306",
"lastModified": "2026-06-17T10:22:52.350",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "secure@microsoft.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-24306",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-24T04:55:21.353118Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-01-22T23:15:58.837",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-284"
}
],
"source": "secure@microsoft.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
GHSA-HG3J-728Q-FHFG
Vulnerability from github – Published: 2026-01-23 00:31 – Updated: 2026-01-23 00:31
VLAI
Details
Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2026-24306"
],
"database_specific": {
"cwe_ids": [
"CWE-284"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-01-22T23:15:58Z",
"severity": "CRITICAL"
},
"details": "Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.",
"id": "GHSA-hg3j-728q-fhfg",
"modified": "2026-01-23T00:31:18Z",
"published": "2026-01-23T00:31:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24306"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
MSRC_CVE-2026-24306
Vulnerability from csaf_microsoft - Published: 2026-01-13 08:00 - Updated: 2026-01-22 08:00Summary
Azure Front Door Elevation of Privilege Vulnerability
Severity
Critical
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Not required. The vulnerability documented by this CVE requires no customer action to resolve.
9.8 (Critical)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Azure Front Door | — |
Threats
Impact
Elevation of Privilege
Exploit Status
Publicly Disclosed:No;Exploited:No
References
7 references
Acknowledgments
Sriharsha Pallekonda with Microsoft
Parul Garg with Microsoft
{
"document": {
"acknowledgments": [
{
"names": [
"Sriharsha Pallekonda with Microsoft"
]
},
{
"names": [
"Parul Garg with Microsoft"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Not required. The vulnerability documented by this CVE requires no customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2026-24306 Azure Front Door Elevation of Privilege Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306"
},
{
"category": "self",
"summary": "CVE-2026-24306 Azure Front Door Elevation of Privilege Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-24306.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Azure Front Door Elevation of Privilege Vulnerability",
"tracking": {
"current_release_date": "2026-01-22T08:00:00.000Z",
"generator": {
"date": "2026-01-22T22:46:20.343Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2026-24306",
"initial_release_date": "2026-01-13T08:00:00.000Z",
"revision_history": [
{
"date": "2026-01-22T08:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"category": "product_name",
"name": "Azure Front Door",
"product": {
"name": "Azure Front Door",
"product_id": "11985"
}
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-24306",
"cwe": {
"id": "CWE-284",
"name": "Improper Access Control"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.\nPlease see Toward greater transparency: Unveiling Cloud Service CVEs for more information.",
"title": "Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?"
}
],
"product_status": {
"fixed": [
"11985"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2026-24306 Azure Front Door Elevation of Privilege Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306"
},
{
"category": "self",
"summary": "CVE-2026-24306 Azure Front Door Elevation of Privilege Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-24306.json"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 8.5,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
"11985"
]
}
],
"threats": [
{
"category": "impact",
"details": "Elevation of Privilege"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No"
}
],
"title": "Azure Front Door Elevation of Privilege Vulnerability"
}
]
}
WID-SEC-W-2026-0201
Vulnerability from csaf_certbund - Published: 2026-01-22 23:00 - Updated: 2026-01-25 23:00Summary
Microsoft Azure, Copilot und Entra: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Azure ist eine Cloud Computing-Plattform von Microsoft.
Microsoft Copilot ist ein KI-Assistent, der in verschiedene Microsoft-Produkte integriert werden kann.
Microsoft Entra ID (früher Azure Active Directory) ist ein cloudbasierter Identitäts- und Zugriffsverwaltungsdienst von Microsoft.
Angriff: Ein entfernter Angreifer kann mehrere Schwachstellen in Microsoft Azure, Microsoft 365 Copilot und Microsoft Entra ausnutzen, um seine Privilegien zu erhöhen, Cross-Site-Scripting-Angriffe durchzuführen und vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme: - Sonstiges
- UNIX
- Windows
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Azure Account
Microsoft / Azure
|
cpe:/a:microsoft:azure:account
|
Account | |
|
Microsoft Azure Logic Apps
Microsoft / Azure
|
cpe:/a:microsoft:azure:logic_apps
|
Logic Apps | |
|
Microsoft Azure Data Explorer
Microsoft / Azure
|
cpe:/a:microsoft:azure:data_explorer
|
Data Explorer | |
|
Microsoft 365 Copilot Word
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:word
|
Word | |
|
Microsoft Entra ID
Microsoft / Entra
|
cpe:/a:microsoft:entra:id
|
ID | |
|
Microsoft Azure Resource Manager
Microsoft / Azure
|
cpe:/a:microsoft:azure:resource_manager
|
Resource Manager | |
|
Microsoft 365 Copilot
Microsoft / 365 Copilot
|
cpe:/a:microsoft:365_copilot:-
|
— | |
|
Microsoft Azure Front Door
Microsoft / Azure
|
cpe:/a:microsoft:azure:front_door
|
Front Door |
References
11 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Azure ist eine Cloud Computing-Plattform von Microsoft.\r\nMicrosoft Copilot ist ein KI-Assistent, der in verschiedene Microsoft-Produkte integriert werden kann.\r\nMicrosoft Entra ID (fr\u00fcher Azure Active Directory) ist ein cloudbasierter Identit\u00e4ts- und Zugriffsverwaltungsdienst von Microsoft.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter Angreifer kann mehrere Schwachstellen in Microsoft Azure, Microsoft 365 Copilot und Microsoft Entra ausnutzen, um seine Privilegien zu erh\u00f6hen, Cross-Site-Scripting-Angriffe durchzuf\u00fchren und vertrauliche Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-0201 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0201.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0201 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0201"
},
{
"category": "external",
"summary": "Microsoft Security Update Guide vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/"
},
{
"category": "external",
"summary": "Azure Logic Apps Elevation of Privilege Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21227"
},
{
"category": "external",
"summary": "Microsoft Account Spoofing Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21264"
},
{
"category": "external",
"summary": "Word Copilot Information Disclosure Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21521"
},
{
"category": "external",
"summary": "Azure Data Explorer Information Disclosure Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21524"
},
{
"category": "external",
"summary": "Azure Resource Manager Elevation of Privilege Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24304"
},
{
"category": "external",
"summary": "Azure Entra ID Elevation of Privilege Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24305"
},
{
"category": "external",
"summary": "Azure Front Door Elevation of Privilege Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306"
},
{
"category": "external",
"summary": "M365 Copilot Information Disclosure Vulnerability vom 2026-01-22",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24307"
}
],
"source_lang": "en-US",
"title": "Microsoft Azure, Copilot und Entra: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-01-25T23:00:00.000+00:00",
"generator": {
"date": "2026-01-26T09:06:10.525+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-0201",
"initial_release_date": "2026-01-22T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-01-22T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-01-25T23:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-4507, EUVD-2026-4498, EUVD-2026-4497, EUVD-2026-4506, EUVD-2026-4501, EUVD-2026-4496, EUVD-2026-4494, EUVD-2026-4493"
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "Word",
"product": {
"name": "Microsoft 365 Copilot Word",
"product_id": "T050272",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:365_copilot:word"
}
}
},
{
"category": "product_name",
"name": "Microsoft 365 Copilot",
"product": {
"name": "Microsoft 365 Copilot",
"product_id": "T050277",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:365_copilot:-"
}
}
}
],
"category": "product_name",
"name": "365 Copilot"
},
{
"branches": [
{
"category": "product_version",
"name": "Logic Apps",
"product": {
"name": "Microsoft Azure Logic Apps",
"product_id": "T050270",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:azure:logic_apps"
}
}
},
{
"category": "product_version",
"name": "Account",
"product": {
"name": "Microsoft Azure Account",
"product_id": "T050271",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:azure:account"
}
}
},
{
"category": "product_version",
"name": "Data Explorer",
"product": {
"name": "Microsoft Azure Data Explorer",
"product_id": "T050273",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:azure:data_explorer"
}
}
},
{
"category": "product_version",
"name": "Resource Manager",
"product": {
"name": "Microsoft Azure Resource Manager",
"product_id": "T050274",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:azure:resource_manager"
}
}
},
{
"category": "product_version",
"name": "Front Door",
"product": {
"name": "Microsoft Azure Front Door",
"product_id": "T050276",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:azure:front_door"
}
}
}
],
"category": "product_name",
"name": "Azure"
},
{
"branches": [
{
"category": "product_version",
"name": "ID",
"product": {
"name": "Microsoft Entra ID",
"product_id": "T050275",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:entra:id"
}
}
}
],
"category": "product_name",
"name": "Entra"
}
],
"category": "vendor",
"name": "Microsoft"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-21227",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-21227"
},
{
"cve": "CVE-2026-21264",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-21264"
},
{
"cve": "CVE-2026-21521",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-21521"
},
{
"cve": "CVE-2026-21524",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-21524"
},
{
"cve": "CVE-2026-24304",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-24304"
},
{
"cve": "CVE-2026-24305",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-24305"
},
{
"cve": "CVE-2026-24306",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-24306"
},
{
"cve": "CVE-2026-24307",
"product_status": {
"known_affected": [
"T050271",
"T050270",
"T050273",
"T050272",
"T050275",
"T050274",
"T050277",
"T050276"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-24307"
}
]
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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