CVE-2026-32224: CWE-416: Use After Free in Microsoft Windows 11 version 26H1
Use after free in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows Server Update Service on Windows 11 version 26H1 (build 10.0.28000.0). Exploitation requires local access with some level of authorization and a high attack complexity. Successful exploitation could lead to full confidentiality, integrity, and availability impact by elevating privileges locally. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker could exploit this vulnerability to elevate their privileges on the affected Windows 11 system, potentially gaining higher-level access and control. The CVSS v3.1 base score is 7.0 (high), indicating significant impact on confidentiality, integrity, and availability if exploited.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32224 to remediate this vulnerability.
CVE-2026-32224: CWE-416: Use After Free in Microsoft Windows 11 version 26H1
Description
Use after free in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Windows Server Update Service on Windows 11 version 26H1 (build 10.0.28000.0). Exploitation requires local access with some level of authorization and a high attack complexity. Successful exploitation could lead to full confidentiality, integrity, and availability impact by elevating privileges locally. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker could exploit this vulnerability to elevate their privileges on the affected Windows 11 system, potentially gaining higher-level access and control. The CVSS v3.1 base score is 7.0 (high), indicating significant impact on confidentiality, integrity, and availability if exploited.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32224 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-11T01:49:58.662Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32224","vendor":"Microsoft"}]
Threat ID: 69de7a3882d89c981fd6cef0
Added to database: 4/14/2026, 5:32:40 PM
Last enriched: 4/14/2026, 5:51:03 PM
Last updated: 4/15/2026, 6:03:54 AM
Views: 10
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