CVE-2026-69712: CWE-416: Use After Free in Microsoft Windows Server 2012
Description
CVE-2026-69712 is a high-severity use-after-free vulnerability in the Windows Key Distribution Center component of Microsoft Windows Server 2012 and related versions. This flaw allows an authorized attacker with network access to execute arbitrary code remotely without user interaction. The vulnerability affects multiple Windows Server and Windows 10 versions prior to specific patched builds. An official fix is available from Microsoft.
CVSS v3.1
Score 8.8high
Affected software
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
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
CVE-2026-69712 is a use-after-free vulnerability (CWE-416) in the Windows Key Distribution Center service on Microsoft Windows Server 2012 and certain Windows 10 versions. An authorized attacker can exploit this flaw over a network to execute arbitrary code, potentially leading to full system compromise. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Microsoft has released official patches addressing this issue for affected versions.
Potential Impact
Successful exploitation allows an authorized attacker to remotely execute arbitrary code on affected systems, resulting in complete compromise of confidentiality, integrity, and availability. This could lead to full control over the vulnerable Windows Server or Windows 10 system.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69712 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:35:55.263Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69712","vendor":"Microsoft"}]
Threat ID: 6aa04522acd9273b49fa9869
Added to database: 09/08/2026, 17:25:54 UTC
Last enriched: 10/16/2026, 21:29:34 UTC
Last updated: 10/21/2026, 13:40:31 UTC
Views: 34
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