MSRC_CVE-2025-26671
Vulnerability from csaf_microsoft - Published: 2025-04-08 07:00 - Updated: 2025-04-08 07:00Summary
Windows Remote Desktop Services Remote Code Execution Vulnerability
Severity
Important
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: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-416
- Use After Free
Affected products
Fixed
15 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27670
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
|
6.1.7601.27670 | ||
|
Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27670
Windows Server 2008 R2 for x64-based Systems Service Pack 1
|
6.1.7601.27670 | ||
|
Windows Server 2012 6.2.9200.25423
Windows Server 2012
|
6.2.9200.25423 | ||
|
Windows Server 2012 (Server Core installation) 6.2.9200.25423
Windows Server 2012 (Server Core installation)
|
6.2.9200.25423 | ||
|
Windows Server 2012 R2 6.3.9600.22523
Windows Server 2012 R2
|
6.3.9600.22523 | ||
|
Windows Server 2012 R2 (Server Core installation) 6.3.9600.22523
Windows Server 2012 R2 (Server Core installation)
|
6.3.9600.22523 | ||
|
Windows Server 2016 10.0.14393.7969
Windows Server 2016
|
10.0.14393.7969 | ||
|
Windows Server 2016 (Server Core installation) 10.0.14393.7969
Windows Server 2016 (Server Core installation)
|
10.0.14393.7969 | ||
|
Windows Server 2019 10.0.17763.7136
Windows Server 2019
|
10.0.17763.7136 | ||
|
Windows Server 2019 (Server Core installation) 10.0.17763.7136
Windows Server 2019 (Server Core installation)
|
10.0.17763.7136 | ||
|
Windows Server 2022 10.0.20348.3453
Windows Server 2022
|
10.0.20348.3453 | ||
|
Windows Server 2022 (Server Core installation) 10.0.20348.3453
Windows Server 2022 (Server Core installation)
|
10.0.20348.3453 | ||
|
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1551
Windows Server 2022, 23H2 Edition (Server Core installation)
|
10.0.25398.1551 | ||
|
Windows Server 2025 10.0.26100.3775
Windows Server 2025
|
10.0.26100.3775 | ||
|
Windows Server 2025 (Server Core installation) 10.0.26100.3775
Windows Server 2025 (Server Core installation)
|
10.0.26100.3775 |
Known affected
15 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Windows Server 2025 (Server Core installation) <10.0.26100.3775
Windows Server 2025 (Server Core installation)
|
<10.0.26100.3775 |
Vendor Fix
fix
|
|
|
Windows Server 2025 <10.0.26100.3775
Windows Server 2025
|
<10.0.26100.3775 |
Vendor Fix
fix
|
|
|
Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.1551
Windows Server 2022, 23H2 Edition (Server Core installation)
|
<10.0.25398.1551 |
Vendor Fix
fix
|
|
|
Windows Server 2022 (Server Core installation) <10.0.20348.3453
Windows Server 2022 (Server Core installation)
|
<10.0.20348.3453 |
Vendor Fix
fix
|
|
|
Windows Server 2022 <10.0.20348.3453
Windows Server 2022
|
<10.0.20348.3453 |
Vendor Fix
fix
|
|
|
Windows Server 2019 (Server Core installation) <10.0.17763.7136
Windows Server 2019 (Server Core installation)
|
<10.0.17763.7136 |
Vendor Fix
fix
|
|
|
Windows Server 2019 <10.0.17763.7136
Windows Server 2019
|
<10.0.17763.7136 |
Vendor Fix
fix
|
|
|
Windows Server 2016 (Server Core installation) <10.0.14393.7969
Windows Server 2016 (Server Core installation)
|
<10.0.14393.7969 |
Vendor Fix
fix
|
|
|
Windows Server 2016 <10.0.14393.7969
Windows Server 2016
|
<10.0.14393.7969 |
Vendor Fix
fix
|
|
|
Windows Server 2012 R2 (Server Core installation) <6.3.9600.22523
Windows Server 2012 R2 (Server Core installation)
|
<6.3.9600.22523 |
Vendor Fix
fix
|
|
|
Windows Server 2012 R2 <6.3.9600.22523
Windows Server 2012 R2
|
<6.3.9600.22523 |
Vendor Fix
fix
|
|
|
Windows Server 2012 (Server Core installation) <6.2.9200.25423
Windows Server 2012 (Server Core installation)
|
<6.2.9200.25423 |
Vendor Fix
fix
|
|
|
Windows Server 2012 <6.2.9200.25423
Windows Server 2012
|
<6.2.9200.25423 |
Vendor Fix
fix
|
|
|
Windows Server 2008 R2 for x64-based Systems Service Pack 1 <6.1.7601.27670
Windows Server 2008 R2 for x64-based Systems Service Pack 1
|
<6.1.7601.27670 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) <6.1.7601.27670
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
|
<6.1.7601.27670 |
Vendor Fix
fix
Vendor Fix
fix
|
Threats
Impact
Remote Code Execution
Exploit Status
Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
References
7 references
Acknowledgments
ʌ!ɔ⊥ojv with Kunlun Lab
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"vulnerabilities": [
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"cwe": {
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"name": "Use After Free"
},
"notes": [
{
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"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "Successful exploitation of this vulnerability requires an attacker to win a race condition.",
"title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
},
{
"category": "faq",
"text": "An attacker could successfully exploit this vulnerability by attempting to connect to a system with the Remote Desktop Gateway role, triggering the race condition to create a use-after-free scenario, and then leveraging this to execute arbitrary code.",
"title": "How could an attacker exploit this vulnerability?"
}
],
"product_status": {
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"10378",
"10379",
"10483",
"10543",
"10816",
"10855",
"11571",
"11572",
"11923",
"11924",
"12244",
"12436",
"12437"
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"known_affected": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15"
]
},
"references": [
{
"category": "self",
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"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26671"
},
{
"category": "self",
"summary": "CVE-2025-26671 Windows Remote Desktop Services Remote Code Execution Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-26671.json"
}
],
"remediations": [
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"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.17763.7136:Security Update:https://support.microsoft.com/help/5055519",
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"6"
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"4"
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},
{
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"url": "https://support.microsoft.com/help/5055570"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.2.9200.25423:Monthly Rollup:https://support.microsoft.com/help/5055581",
"product_ids": [
"13",
"12"
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"url": "https://support.microsoft.com/help/5055581"
},
{
"category": "vendor_fix",
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"details": "6.3.9600.22523:Monthly Rollup:https://support.microsoft.com/help/5055557",
"product_ids": [
"11",
"10"
],
"url": "https://support.microsoft.com/help/5055557"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 7.1,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15"
]
}
],
"threats": [
{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Windows Remote Desktop Services Remote Code Execution Vulnerability"
}
]
}
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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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