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 (CVE-2026-32155) involves a use-after-free condition in the Desktop Window Manager on Windows 10 Version 21H2 (build 10.0.19044.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has published an official security update to remediate this vulnerability.
Potential Impact
An authorized local attacker could exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 system. This could allow the attacker to gain higher-level permissions than intended, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability with high impact.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-32155) involves a use-after-free condition in the Desktop Window Manager on Windows 10 Version 21H2 (build 10.0.19044.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has published an official security update to remediate this vulnerability.
Potential Impact
An authorized local attacker could exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 system. This could allow the attacker to gain higher-level permissions than intended, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability with high impact.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
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: 4/14/2026, 6:18:11 PM
Last updated: 4/15/2026, 6:09:09 AM
Views: 4
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