CVE-2026-69853
MEDIUMCVSS 4.7/10EPSS 0.30%
Last modified
CVE-2026-69853 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Use of uninitialized resource in Windows Win32K allows an authorized attacker to disclose information locally.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Use of uninitialized resource in Windows Win32K allows an authorized attacker to disclose information locally.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9512 |
| Microsoft | Windows 10 1809 | < 10.0.17763.9245 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7725 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7725 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.7582 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.9445 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9445 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2954 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9512 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33438 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69853Vendor Advisory, Patch
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-69853?
Use of uninitialized resource in Windows Win32K allows an authorized attacker to disclose information locally.
How severe is CVE-2026-69853?
CVE-2026-69853 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-69853?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-69845Heap-based buffer overflow in Windows DHCP Server allows an …9.8
- CVE-2026-69846Integer overflow or wraparound in Windows Secure Kernel Mode…8.2
- CVE-2026-69847Heap-based buffer overflow in Windows DHCP Server allows an …8
- CVE-2026-6985A weakness has been identified in Cesanta Mongoose up to 7.2…7.5
- CVE-2026-69851Server-side request forgery (ssrf) in Azure Active Directory…9.9
- CVE-2026-69852Remote Code Execution in Windows Routing and Remote Access S…7.5
- CVE-2026-69854Improper authentication in Spring Cloud Azure allows an unau…9
- CVE-2026-69855Server-side request forgery (ssrf) in Microsoft Copilot in A…6.5
- CVE-2026-69857Authorization bypass through user-controlled key in Azure Co…8.8
- CVE-2026-69858Use after free in Windows DNS allows an unauthorized attacke…8.1
- CVE-2026-69859Time-of-check time-of-use (toctou) race condition in Windows…7
- CVE-2026-6986A security vulnerability has been detected in Cesanta Mongoo…3.7
Are you affected by CVE-2026-69853?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
