CVE-2026-70195
MEDIUMCVSS 4.7/10
Last modified
CVE-2026-70195 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally..
Description
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1607 | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows 10 Version 1809 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows 10 Version 21H2 | >= 10.0.19044.0, < 10.0.19044.7807 |
| Microsoft | Windows 10 Version 22H2 | >= 10.0.19045.0, < 10.0.19044.7807 |
| Microsoft | Windows 11 version 23H2 | >= 10.0.22631.0, < 10.0.22631.7652 |
| Microsoft | Windows 11 Version 23H2 | >= 10.0.22631.0, < 10.0.22631.7652 |
| Microsoft | Windows 11 Version 24H2 | >= 10.0.26100.0, < 10.0.26100.9711 |
| Microsoft | Windows 11 Version 25H2 | >= 10.0.26200.0, < 10.0.26200.9711 |
| Microsoft | Windows 11 version 26H1 | >= 10.0.28000.0, < 10.0.28000.3231 |
| Microsoft | Windows 11 Version 26H2 | >= 10.0.26300.0, < 10.0.26300.9711 |
| Microsoft | Windows Server 2012 | >= 6.2.9200.0, < 6.2.9200.26434 |
| Microsoft | Windows Server 2012 (Server Core installation) | >= 6.2.9200.0, < 6.2.9200.26434 |
| Microsoft | Windows Server 2012 R2 | >= 6.3.9600.0, < 6.3.9600.23470 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.9600.0, < 6.3.9600.23470 |
| Microsoft | Windows Server 2016 | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33650 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33650 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-70195?
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.
How severe is CVE-2026-70195?
CVE-2026-70195 has a CVSS score of 4.7/10 (MEDIUM severity).
How do I fix CVE-2026-70195?
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-2026-70187Use after free in Remote Desktop Gateway Service allows an u…8.1
- CVE-2026-70188Inconsistent interpretation of http requests ('http request/…9.1
- CVE-2026-70189Heap-based buffer overflow in SQL Server allows an authorize…6.7
- CVE-2026-7019A vulnerability was identified in Tenda F456 1.0.0.5. The im…8.8
- CVE-2026-70190Improper link resolution before file access ('link following…7.3
- CVE-2026-70194Improper certificate validation in .NET Framework allows an …6.5
- CVE-2026-70196Inefficient algorithmic complexity in ASP.NET Core allows an…5.9
- CVE-2026-70197Out-of-bounds write in .NET allows an unauthorized attacker …8.1
- CVE-2026-70198Use after free in Windows Push Notifications allows an autho…7
- CVE-2026-70199Exposure of sensitive system information to an unauthorized …5.5
- CVE-2026-7020A security flaw has been discovered in Ollama up to 0.20.2. …3.7
- CVE-2026-70200Improper limitation of a pathname to a restricted directory …9.8
Are you affected by CVE-2026-70195?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST