CVE-2026-69744: CWE-476: NULL Pointer Dereference in Microsoft Windows 11 Version 24H2
Description
CVE-2026-69744 is a high-severity vulnerability in Microsoft Windows 11 Version 24H2 involving a null pointer dereference in the Windows Kerberos component. This flaw allows an unauthorized attacker to cause a denial of service over a network. The vulnerability affects specific builds of Windows 11 Version 24H2 prior to the official fixes. A patch is available from Microsoft to address this issue.
CVSS v3.1
Score 7.5high
Affected software
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-69744) is a null pointer dereference in the Windows Kerberos implementation on Windows 11 Version 24H2. Exploitation can lead to denial of service (DoS) by causing the system to crash or become unresponsive. The CVSS 3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix for affected versions.
Potential Impact
An attacker can remotely cause a denial of service condition on affected Windows 11 Version 24H2 systems by exploiting the null pointer dereference in the Kerberos component. There is no impact on confidentiality or integrity. 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 24H2 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
- 2026-08-03T22:40:09.685Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69744","vendor":"Microsoft"}]
Threat ID: 6aa04525acd9273b49fa98c1
Added to database: 09/08/2026, 17:25:57 UTC
Last enriched: 10/16/2026, 21:31:36 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 33
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