CVE-2026-69392: CWE-416: Use After Free in Microsoft Windows 11 version 23H2
Description
CVE-2026-69392 is a use-after-free vulnerability in Windows Shell affecting Windows 11 version 23H2. It allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft.
CVSS v3.1
Score 7.8high
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-2026-69392 is a use-after-free vulnerability (CWE-416) in the Windows Shell component of Microsoft Windows 11 version 23H2. This flaw permits an authorized local attacker to elevate privileges by exploiting the improper handling of memory, leading to potential full control over the affected system. The vulnerability affects multiple builds of Windows 11 version 23H2 as specified by the affected version ranges. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining full control over the affected Windows 11 system. The vulnerability impacts confidentiality, integrity, and availability with high severity as indicated by the CVSS vector (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H). No known exploits are reported 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. Refer to the Microsoft Security Response Center advisory for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:54:04.487Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69392","vendor":"Microsoft"}]
Threat ID: 6aa044efacd9273b49fa7f3a
Added to database: 09/08/2026, 17:25:03 UTC
Last enriched: 10/16/2026, 21:08:59 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 30
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