CVE-2026-21519 (GCVE-0-2026-21519)
Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-02-18 20:01
VLAI?
CISA KEV
Title
Desktop Window Manager Elevation of Privilege Vulnerability
Summary
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Severity ?
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.8868
(custom)
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0418119d-ccec-41b3-9783-a6d167ec5f18
Exploited: Yes
Timestamps
First Seen: 2026-02-10
Asserted: 2026-02-10
Scope
Notes: KEV entry: Microsoft Windows Type Confusion Vulnerability | Affected: Microsoft / Windows | Description: Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-03-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21519
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-843 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Windows |
| Due Date | 2026-03-03 |
| Date Added | 2026-02-10 |
| Vendorproject | Microsoft |
| Vulnerabilityname | Microsoft Windows Type Confusion Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-11 06:19 UTC
| Updated: 2026-02-11 06:19 UTC
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21519",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-06T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2026-02-10",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-11T04:55:57.998Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-02-10T00:00:00+00:00",
"value": "CVE-2026-21519 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 1607",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.14393.8868",
"status": "affected",
"version": "10.0.14393.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 1809",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.17763.8389",
"status": "affected",
"version": "10.0.17763.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19044.6937",
"status": "affected",
"version": "10.0.19044.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19045.6937",
"status": "affected",
"version": "10.0.19045.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"ARM64-based Systems"
],
"product": "Windows 11 version 22H3",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22631.6649",
"status": "affected",
"version": "10.0.22631.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows 11 Version 23H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22631.6649",
"status": "affected",
"version": "10.0.22631.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 11 Version 24H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.26100.7840",
"status": "affected",
"version": "10.0.26100.0",
"versionType": "custom"
}
]
},
{
"product": "Windows 11 Version 25H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.26200.7840",
"status": "affected",
"version": "10.0.26200.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"ARM64-based Systems"
],
"product": "Windows 11 version 26H1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.28000.1575",
"status": "affected",
"version": "10.0.28000.0",
"versionType": "custom"
}
]
},
{
"product": "Windows 11 Version 26H1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.28000.1575",
"status": "affected",
"version": "10.0.28000.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2016",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.14393.8868",
"status": "affected",
"version": "10.0.14393.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2016 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.14393.8868",
"status": "affected",
"version": "10.0.14393.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.17763.8389",
"status": "affected",
"version": "10.0.17763.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2019 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.17763.8389",
"status": "affected",
"version": "10.0.17763.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.20348.4773",
"status": "affected",
"version": "10.0.20348.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.25398.2149",
"status": "affected",
"version": "10.0.25398.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2025",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.26100.32370",
"status": "affected",
"version": "10.0.26100.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2025 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.26100.32370",
"status": "affected",
"version": "10.0.26100.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.17763.8389",
"versionStartIncluding": "10.0.17763.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.17763.8389",
"versionStartIncluding": "10.0.17763.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.17763.8389",
"versionStartIncluding": "10.0.17763.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.20348.4773",
"versionStartIncluding": "10.0.20348.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.19044.6937",
"versionStartIncluding": "10.0.19044.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.19045.6937",
"versionStartIncluding": "10.0.19045.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.26100.32370",
"versionStartIncluding": "10.0.26100.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.26200.7840",
"versionStartIncluding": "10.0.26200.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.22631.6649",
"versionStartIncluding": "10.0.22631.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.22631.6649",
"versionStartIncluding": "10.0.22631.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.25398.2149",
"versionStartIncluding": "10.0.25398.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.26100.7840",
"versionStartIncluding": "10.0.26100.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.26100.32370",
"versionStartIncluding": "10.0.26100.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.14393.8868",
"versionStartIncluding": "10.0.14393.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.14393.8868",
"versionStartIncluding": "10.0.14393.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.14393.8868",
"versionStartIncluding": "10.0.14393.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.28000.1575",
"versionStartIncluding": "10.0.28000.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.28000.1575",
"versionStartIncluding": "10.0.28000.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-02-10T16:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Access of resource using incompatible type (\u0027type confusion\u0027) in Desktop Window Manager allows an authorized attacker to elevate privileges locally."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-18T20:01:30.343Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Desktop Window Manager Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519"
}
],
"title": "Desktop Window Manager Elevation of Privilege Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-21519",
"datePublished": "2026-02-10T17:51:13.956Z",
"dateReserved": "2025-12-30T18:10:54.846Z",
"dateUpdated": "2026-02-18T20:01:30.343Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2026-21519",
"cwes": "[\"CWE-843\"]",
"dateAdded": "2026-02-10",
"dueDate": "2026-03-03",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21519",
"product": "Windows",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Windows Type Confusion Vulnerability"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-21519\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2026-02-10T18:16:34.417\",\"lastModified\":\"2026-02-11T16:13:16.180\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Access of resource using incompatible type (\u0027type confusion\u0027) in Desktop Window Manager allows an authorized attacker to elevate privileges locally.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"cisaExploitAdd\":\"2026-02-10\",\"cisaActionDue\":\"2026-03-03\",\"cisaRequiredAction\":\"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\",\"cisaVulnerabilityName\":\"Microsoft Windows Type Confusion Vulnerability\",\"weaknesses\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-843\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.14393.8868\",\"matchCriteriaId\":\"E78A20FD-B910-43DF-BE89-E971E2FD0049\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*\",\"versionEndExcluding\":\"10.0.14393.8868\",\"matchCriteriaId\":\"B941280B-97F6-4F60-80A3-40482A74488D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.17763.8389\",\"matchCriteriaId\":\"C09C54DA-6AB0-4696-A2F2-C11CFC292EA9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*\",\"versionEndExcluding\":\"10.0.17763.8389\",\"matchCriteriaId\":\"369B4E41-3895-4CB7-BD37-D2E4A4D52FB9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*\",\"versionEndExcluding\":\"10.0.19044.6937\",\"matchCriteriaId\":\"EDB3FD9A-2786-4EC1-8989-2B0D054E0307\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.19044.6937\",\"matchCriteriaId\":\"893DBA65-116B-4AE0-80E1-50458CB5FDAD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*\",\"versionEndExcluding\":\"10.0.19044.6937\",\"matchCriteriaId\":\"37E2BFF1-28C0-4FA0-9A6C-020146E4AD54\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*\",\"versionEndExcluding\":\"10.0.19045.6937\",\"matchCriteriaId\":\"3ABF7E9C-769A-4330-AD97-FE3CD766E577\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.19045.6937\",\"matchCriteriaId\":\"F54B0C64-9A1F-470B-9824-322CF362507F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*\",\"versionEndExcluding\":\"10.0.19045.6937\",\"matchCriteriaId\":\"A5BD3F0C-1E6F-4937-806C-B87CA19C2830\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*\",\"versionEndExcluding\":\"10.0.22631.6649\",\"matchCriteriaId\":\"B273EF5A-3157-4842-AE91-CEC289813902\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.22631.6649\",\"matchCriteriaId\":\"CD2513FC-D399-4DBF-921F-13B4D1497127\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*\",\"versionEndExcluding\":\"10.0.26100.7781\",\"matchCriteriaId\":\"B08450A0-0F7E-4A05-8989-900221992766\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.26100.7781\",\"matchCriteriaId\":\"9D30B348-DAE7-43EC-85FA-38E1715258A9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*\",\"versionEndExcluding\":\"10.0.26200.7781\",\"matchCriteriaId\":\"8F23FFCF-9C69-4D27-AF21-D09A6041AA3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*\",\"versionEndExcluding\":\"10.0.26200.7781\",\"matchCriteriaId\":\"D1D93202-BDDB-438F-934E-1FE904B3651B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.14393.8868\",\"matchCriteriaId\":\"E21BC97D-1C11-41FD-9A20-34A2BC535BD9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.17763.8389\",\"matchCriteriaId\":\"B6E3E93E-8160-4BFB-B5CB-85740922CF7E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.20348.4711\",\"matchCriteriaId\":\"9E19FC4B-C3CC-4924-9A0B-5E4F100280D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.25398.2149\",\"matchCriteriaId\":\"F0EA3C51-C3FE-494A-92D9-D3B1C301CB54\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.26100.32313\",\"matchCriteriaId\":\"33AF95F4-504F-40EF-9F64-5D6F7B40114F\"}]}]}],\"references\":[{\"url\":\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"tags\":[\"US Government Resource\"]}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-21519\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-10T18:28:04.235000Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2026-02-10\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519\"}}}], \"references\": [{\"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519\", \"tags\": [\"government-resource\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-10T18:28:10.228Z\"}, \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-02-10T00:00:00+00:00\", \"value\": \"CVE-2026-21519 added to CISA KEV\"}]}], \"cna\": {\"title\": \"Desktop Window Manager Elevation of Privilege Vulnerability\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C\"}, \"scenarios\": [{\"lang\": \"en-US\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Microsoft\", \"product\": \"Windows 10 Version 1607\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.14393.0\", \"lessThan\": \"10.0.14393.8868\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 10 Version 1809\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.17763.0\", \"lessThan\": \"10.0.17763.8389\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 10 Version 21H2\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.19044.0\", \"lessThan\": \"10.0.19044.6937\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"ARM64-based Systems\", \"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 10 Version 22H2\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.19045.0\", \"lessThan\": \"10.0.19045.6937\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"ARM64-based Systems\", \"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 11 version 22H3\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.22631.0\", \"lessThan\": \"10.0.22631.6649\", \"versionType\": \"custom\"}], \"platforms\": [\"ARM64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 11 Version 23H2\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.22631.0\", \"lessThan\": \"10.0.22631.6649\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 11 Version 24H2\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.26100.0\", \"lessThan\": \"10.0.26100.7840\", \"versionType\": \"custom\"}], \"platforms\": [\"ARM64-based Systems\", \"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 11 Version 25H2\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.26200.0\", \"lessThan\": \"10.0.26200.7840\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 11 version 26H1\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.28000.0\", \"lessThan\": \"10.0.28000.1575\", \"versionType\": \"custom\"}], \"platforms\": [\"ARM64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows 11 Version 26H1\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.28000.0\", \"lessThan\": \"10.0.28000.1575\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2016\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.14393.0\", \"lessThan\": \"10.0.14393.8868\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2016 (Server Core installation)\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.14393.0\", \"lessThan\": \"10.0.14393.8868\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2019\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.17763.0\", \"lessThan\": \"10.0.17763.8389\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2019 (Server Core installation)\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.17763.0\", \"lessThan\": \"10.0.17763.8389\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2022\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.20348.0\", \"lessThan\": \"10.0.20348.4773\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2022, 23H2 Edition (Server Core installation)\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.25398.0\", \"lessThan\": \"10.0.25398.2149\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2025\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.26100.0\", \"lessThan\": \"10.0.26100.32370\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2025 (Server Core installation)\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.26100.0\", \"lessThan\": \"10.0.26100.32370\", \"versionType\": \"custom\"}], \"platforms\": [\"x64-based Systems\"]}], \"datePublic\": \"2026-02-10T16:00:00.000Z\", \"references\": [{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519\", \"name\": \"Desktop Window Manager Elevation of Privilege Vulnerability\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Access of resource using incompatible type (\u0027type confusion\u0027) in Desktop Window Manager allows an authorized attacker to elevate privileges locally.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-843\", \"description\": \"CWE-843: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.17763.8389\", \"versionStartIncluding\": \"10.0.17763.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.17763.8389\", \"versionStartIncluding\": \"10.0.17763.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.17763.8389\", \"versionStartIncluding\": \"10.0.17763.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.20348.4773\", \"versionStartIncluding\": \"10.0.20348.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.19044.6937\", \"versionStartIncluding\": \"10.0.19044.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.19045.6937\", \"versionStartIncluding\": \"10.0.19045.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.26100.32370\", \"versionStartIncluding\": \"10.0.26100.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.26200.7840\", \"versionStartIncluding\": \"10.0.26200.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.22631.6649\", \"versionStartIncluding\": \"10.0.22631.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.22631.6649\", \"versionStartIncluding\": \"10.0.22631.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.25398.2149\", \"versionStartIncluding\": \"10.0.25398.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.26100.7840\", \"versionStartIncluding\": \"10.0.26100.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.26100.32370\", \"versionStartIncluding\": \"10.0.26100.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.14393.8868\", \"versionStartIncluding\": \"10.0.14393.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.14393.8868\", \"versionStartIncluding\": \"10.0.14393.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.14393.8868\", \"versionStartIncluding\": \"10.0.14393.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.28000.1575\", \"versionStartIncluding\": \"10.0.28000.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.28000.1575\", \"versionStartIncluding\": \"10.0.28000.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-02-18T20:01:30.343Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-21519\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-18T20:01:30.343Z\", \"dateReserved\": \"2025-12-30T18:10:54.846Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-02-10T17:51:13.956Z\", \"assignerShortName\": \"microsoft\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…