CVE-2026-32155: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Desktop Window Manager of Windows 10 Version 21H2 (build 10.0.19044.0). An authorized local attacker can exploit this flaw to elevate their privileges, potentially gaining higher-level access than intended. The issue is tracked as CWE-416. Microsoft has published an official security update to remediate the vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, which could lead to full system compromise depending on the privileges gained. The confidentiality, integrity, and availability of the affected system could be severely impacted.
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-2026-32155 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
CVE-2026-32155: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
Description
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Desktop Window Manager of Windows 10 Version 21H2 (build 10.0.19044.0). An authorized local attacker can exploit this flaw to elevate their privileges, potentially gaining higher-level access than intended. The issue is tracked as CWE-416. Microsoft has published an official security update to remediate the vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, which could lead to full system compromise depending on the privileges gained. The confidentiality, integrity, and availability of the affected system could be severely impacted.
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-2026-32155 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-10T23:09:43.264Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32155","vendor":"Microsoft"}]
Threat ID: 69de7a3082d89c981fd6bc80
Added to database: 4/14/2026, 5:32:32 PM
Last enriched: 5/19/2026, 10:45:06 AM
Last updated: 5/31/2026, 5:24:24 AM
Views: 59
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