CVE-2026-69383: CWE-73: External Control of File Name or Path in Microsoft Windows 11 version 23H2
Description
CVE-2026-69383 is a high-severity vulnerability in Microsoft Windows 11 version 23H2 involving external control of file name or path in the Windows Shell. This flaw allows an authorized local attacker to elevate privileges. The vulnerability affects multiple builds of Windows 11 version 23H2 prior to specific patched versions. 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-2026-69383 is a vulnerability categorized under CWE-73 (External Control of File Name or Path) affecting Windows Shell in Microsoft Windows 11 version 23H2. It allows an authorized local attacker to elevate privileges by exploiting improper handling of file names or paths controlled externally. The vulnerability is present in several Windows 11 builds starting from 10.0.22631.0 up to but excluding patched builds such as 10.0.22631.7582 and others. The CVSS v3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected Windows 11 systems. This could lead to full system compromise, impacting confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-69383. Users and administrators should apply the security updates provided by Microsoft to affected Windows 11 version 23H2 builds as soon as possible. No additional mitigation actions are indicated by the vendor advisory.
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-2026-69383","vendor":"Microsoft"}]
Threat ID: 6aa044efacd9273b49fa7f2a
Added to database: 09/08/2026, 17:25:03 UTC
Last enriched: 10/16/2026, 21:08:16 UTC
Last updated: 10/22/2026, 01:15:25 UTC
Views: 28
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