CVE-2026-69853

MediumCVSS 4.7/10Last modified Sep 24, 2026

Description

Use of uninitialized resource in Windows Win32K allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-908

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1607	>= 10.0.14393.0, < 10.0.14393.9512
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9245
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7725
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7725
Microsoft	Windows 11 version 23H2	>= 10.0.22631.0, < 10.0.22631.7582
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.7582
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9445
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9445
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.2954
Microsoft	Windows Server 2012	>= 6.2.9200.0, < 6.2.9200.26349
Microsoft	Windows Server 2012 (Server Core installation)	>= 6.2.9200.0, < 6.2.9200.26349
Microsoft	Windows Server 2012 R2	>= 6.3.9600.0, < 6.3.9600.23398
Microsoft	Windows Server 2012 R2 (Server Core installation)	>= 6.3.9600.0, < 6.3.9600.23398
Microsoft	Windows Server 2016	>= 10.0.14393.0, < 10.0.14393.9512
Microsoft	Windows Server 2016 (Server Core installation)	>= 10.0.14393.0, < 10.0.14393.9512
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9245
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9245
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5622
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33438
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33438

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69853Patch, Vendor Advisory

Timeline

Published: Sep 8, 2026
Last modified: Sep 24, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-698548.1Improper authentication in Spring Cloud Azure allows an unauthorized attacker to elevate privileges over a network.CVE-2026-698556.5Server-side request forgery (ssrf) in Microsoft Copilot in Azure allows an authorized attacker to disclose information over a network.CVE-2026-698567.0Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.CVE-2026-698578.8Authorization bypass through user-controlled key in Azure Cosmos DB allows an authorized attacker to perform spoofing over a network.CVE-2026-698588.1Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.CVE-2026-698597.0Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate CVE-2026-69863.7A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This issue affects the function mg_aes_gcm_decrypt of the file /s CVE-2026-698608.8Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.CVE-2026-698625.5Out-of-bounds read in Windows Wireless Wide Area Network Service allows an authorized attacker to disclose information locally.CVE-2026-698647.8Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.CVE-2026-6986510.0Authorization bypass through user-controlled key in Microsoft Container Registry allows an unauthorized attacker to elevate privileges over CVE-2026-698667.0Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.