CVE-2026-69275: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-69275 is a use-after-free vulnerability in the Kernel Streaming WOW Thunk Service Driver on Microsoft Windows 10 Version 1607. It allows an authorized local attacker to elevate privileges. The vulnerability affects multiple specific builds of Windows 10 and related versions. 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 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
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
This vulnerability involves a use-after-free condition in the Kernel Streaming WOW Thunk Service Driver component of Microsoft Windows 10 Version 1607. Exploitation requires local access with low privileges and no user interaction. Successful exploitation can lead to elevation of privileges, granting an attacker higher system rights. The CVSS v3.1 base score is 7.0, indicating high severity. Multiple specific Windows 10 builds are affected, and Microsoft has released an official fix to address this issue.
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 allow the attacker to execute code with higher privileges, potentially compromising system integrity, confidentiality, and availability.
Mitigation Recommendations
Microsoft has released an official fix 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 mitigate the risk. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:44:03.597Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69275","vendor":"Microsoft"}]
Threat ID: 6aa044ddacd9273b49fa7d73
Added to database: 09/08/2026, 17:24:45 UTC
Last enriched: 10/16/2026, 20:59:09 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 38
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