CVE-2026-69536: CWE-416: Use After Free in Microsoft Windows 11 version 23H2
Description
CVE-2026-69536 is a high-severity use-after-free vulnerability in Microsoft Windows 11 version 23H2 affecting Remote Desktop Services. It allows an authorized attacker with low privileges to execute code remotely over a network. The vulnerability has been officially fixed by Microsoft.
CVSS v3.1
Score 7.1high
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
This vulnerability, identified as CVE-2026-69536 and classified under CWE-416 (Use After Free), affects Windows 11 version 23H2 Remote Desktop Services. An authorized attacker with low privileges can exploit this flaw to execute arbitrary code remotely. The CVSS 3.1 base score is 7.1, indicating high severity, with attack vector network, attack complexity high, privileges required low, and user interaction required. Microsoft has released an official fix addressing this issue.
Potential Impact
Successful exploitation can lead to remote code execution with high impact on confidentiality, integrity, and availability. An attacker authorized to access Remote Desktop Services could execute arbitrary code, potentially compromising the affected system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security updates provided by Microsoft to affected Windows 11 version 23H2 systems. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:12:04.477Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69536","vendor":"Microsoft"}]
Threat ID: 6aa0450bacd9273b49fa8bd8
Added to database: 09/08/2026, 17:25:31 UTC
Last enriched: 10/16/2026, 21:19:46 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 24
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