CVE-2026-69814: CWE-416: Use After Free in Microsoft Windows 11 version 23H2
Description
CVE-2026-69814 is a use-after-free vulnerability in Windows Credential Providers on Microsoft Windows 11 version 23H2. This flaw allows an authorized local attacker to elevate privileges. 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 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 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-69814 is a use-after-free vulnerability (CWE-416) affecting Windows Credential Providers in Microsoft Windows 11 version 23H2. The flaw permits an authorized local attacker to elevate privileges by exploiting improper memory handling. The vulnerability is rated high severity with a CVSS 3.1 base score of 7.0, reflecting that exploitation requires local access with high attack complexity and privileges but no user interaction. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 systems. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for Windows 11 version 23H2 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T22:50:31.851Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69814","vendor":"Microsoft"}]
Threat ID: 6aa0452dacd9273b49fa999a
Added to database: 09/08/2026, 17:26:05 UTC
Last enriched: 10/16/2026, 21:35:09 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 36
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