CVE-2026-65775: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows Win32K subsystem in Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to full confidentiality, integrity, and availability impact by allowing privilege escalation. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges, potentially gaining higher-level access to the affected system. This can compromise system confidentiality, integrity, and availability.
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-2026-65775 to remediate this vulnerability.
CVE-2026-65775: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Windows Win32K subsystem in Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to full confidentiality, integrity, and availability impact by allowing privilege escalation. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges, potentially gaining higher-level access to the affected system. This can compromise system confidentiality, integrity, and availability.
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-2026-65775 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T21:30:09.119Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65775","vendor":"Microsoft"}]
Threat ID: 6a7b5830bf8831d539156401
Added to database: 08/11/2026, 17:13:20 UTC
Last enriched: 08/11/2026, 19:57:55 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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