CVE-2026-61938: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-61938) involves a use-after-free condition in the Windows Installer component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation requires local access with low privileges and no user interaction. Successful exploitation could result in elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker could exploit this use-after-free vulnerability to elevate their privileges on the affected system. This could lead to full control over the system, compromising confidentiality, integrity, and availability of data and system resources.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability.
CVE-2026-61938: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-61938) involves a use-after-free condition in the Windows Installer component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation requires local access with low privileges and no user interaction. Successful exploitation could result in elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker could exploit this use-after-free vulnerability to elevate their privileges on the affected system. This could lead to full control over the system, compromising confidentiality, integrity, and availability of data and system resources.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-13T04:47:32.464Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61938","vendor":"Microsoft"}]
Threat ID: 6a7b5808bf8831d5391559ad
Added to database: 08/11/2026, 17:12:40 UTC
Last enriched: 08/11/2026, 22:41:29 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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