CVE-2026-35416
HIGHCVSS 7/10EPSS 1.65%
Last modified
CVE-2026-35416 is a high-severity vulnerability rated 7/10 on the CVSS scale. Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.. EPSS estimates a 1.65% chance of exploitation in the next 30 days.
Description
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9140 |
| Microsoft | Windows 10 1809 | < 10.0.17763.8755 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7291 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7291 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.7079 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8390 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8390 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2113 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9140 |
| Microsoft | Windows Server 2019 | < 10.0.17763.8755 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5074 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.2330 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32772 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-35416?
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-35416?
CVE-2026-35416 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.
How do I fix CVE-2026-35416?
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-2026-35410Directus is a real-time API and App dashboard for managing S…6.1
- CVE-2026-35411Directus is a real-time API and App dashboard for managing S…4.3
- CVE-2026-35412Directus is a real-time API and App dashboard for managing S…8.1
- CVE-2026-35413Directus is a real-time API and App dashboard for managing S…5.3
- CVE-2026-35414OpenSSH before 10.3 mishandles the authorized_keys principal…8.1
- CVE-2026-35415Integer overflow or wraparound in Windows Storage Spaces Con…7.8
- CVE-2026-35417Use after free in Windows Win32K - GRFX allows an authorized…7.8
- CVE-2026-35418Use after free in Windows Cloud Files Mini Filter Driver all…7
- CVE-2026-35419Out-of-bounds read in Windows DWM Core Library allows an aut…5.5
- CVE-2026-3542Inappropriate implementation in WebAssembly in Google Chrome…8.8
- CVE-2026-35420Heap-based buffer overflow in Windows Kernel allows an autho…7.8
- CVE-2026-35421Heap-based buffer overflow in Windows GDI allows an unauthor…7.8
Are you affected by CVE-2026-35416?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST