CVE-2026-69311: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-69311 is a use-after-free vulnerability in the Windows Audio Service on Microsoft Windows 10 Version 1607 and related builds. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity rating and affects multiple Windows 10 versions prior to specific patch levels. 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 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, identified as CWE-416 (Use After Free), exists in the Windows Audio Service component of Microsoft Windows 10 Version 1607 and other related versions. It allows an authorized local attacker to elevate privileges by exploiting a use-after-free condition. The CVSS 3.1 base score is 7.0, indicating high severity, with attack vector local, attack complexity high, and privileges required low. The vulnerability impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially gaining higher-level access than intended. The impact includes full compromise of confidentiality, integrity, and availability of the affected system components.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69311 for detailed update guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:46:07.441Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69311","vendor":"Microsoft"}]
Threat ID: 6aa044e3acd9273b49fa7e07
Added to database: 09/08/2026, 17:24:51 UTC
Last enriched: 10/16/2026, 21:02:14 UTC
Last updated: 10/22/2026, 01:15:25 UTC
Views: 19
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