CVE-2026-69652: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-69652 is a use-after-free vulnerability in the Windows Win32K component affecting Windows 10 Version 1607 and later builds up to specific patched versions. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft.
CVSS v3.1
Score 7.0high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-69652 is a use-after-free vulnerability (CWE-416) in the Windows Win32K subsystem that permits an authorized local attacker to elevate privileges. The vulnerability affects multiple builds of Windows 10 Version 1607 and later, specifically those versions prior to the listed patch versions. The flaw allows escalation of privileges due to improper handling of memory, potentially enabling an attacker with limited access to gain higher system privileges. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 systems. This could lead to full control over the system, including the ability to execute arbitrary code with elevated rights, compromising confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has released official fixes for this vulnerability. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as soon as possible to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:24:59.409Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69652","vendor":"Microsoft"}]
Threat ID: 6aa0451cacd9273b49fa97a8
Added to database: 09/08/2026, 17:25:48 UTC
Last enriched: 10/16/2026, 21:26:51 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 27
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