CVE-2026-69818

HighCVSS 7.0/10Last modified Sep 16, 2026

Description

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9445
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9445
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.2954
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33438
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33438

References

Timeline

Published
Sep 8, 2026
Last modified
Sep 16, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-698199.8Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.CVE-2026-69826.3A vulnerability was determined in star7th ShowDoc up to 2.10.10/3.6.2/3.8.0. Affected by this vulnerability is an unknown functionality of tCVE-2026-698206.7Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.CVE-2026-698217.8Improper encoding or escaping of output in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privilegesCVE-2026-698227.8Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges locally.CVE-2026-698249.8Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unauthorized attacker to execute code over a network.CVE-2026-698268.0Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.CVE-2026-698278.1Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server allows an unauthorized attacker toCVE-2026-698299.8Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.CVE-2026-69834.7A vulnerability was identified in pagekit up to 1.0.18. Affected by this issue is some unknown functionality of the file /index.php/admin/syCVE-2026-698308.1Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DHCP Server allows an unauthorized atCVE-2026-698324.7Exposure of sensitive system information to an unauthorized control sphere in Windows Win32K allows an authorized attacker to disclose infor
CVE-2026-69818: High severity, CVSS 7.0 | Vulnix