CVE-2026-69466

HighCVSS 7.0/10Last modified Sep 24, 2026

Description

Time-of-check time-of-use (toctou) race condition in Windows Kernel 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

CWE-367

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7725
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7725
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7582
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7582
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 2012>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23398
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23398
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5622
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 24, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-694677.8Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.CVE-2026-694687.0Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.CVE-2026-694696.6Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to elevate privileges with aCVE-2026-69477.5DWM-222W USB Wi-Fi Adapter developed by D-Link has a Brute-Force Protection Bypass vulnerability, allowing unauthenticated adjacent network CVE-2026-694707.0Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.CVE-2026-694717.8Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.CVE-2026-694727.0Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privileges locally.CVE-2026-694737.0Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-694744.8Use after free in Windows Overlay Filter allows an authorized attacker to disclose information over a network.CVE-2026-694757.8Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.CVE-2026-694767.8Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.CVE-2026-694777.3Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
CVE-2026-69466: High severity, CVSS 7.0 | Vulnix