Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
Read at CISA Known Exploited Vulnerabilities catalog
- Vendor
- Microsoft
- Product
- Windows Ancillary Function Driver for WinSock
- CISA KEV
- listed
- Exploitation
- observed in the wild
- Fix
- available
- Exposure class
- Operating system
Why it ranks 62 (Critical)
- CISA KEV listed
- Product class: operating system
- Widely deployed vendor product (Microsoft)
- Covered by 2 independent sources
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- CISA Known Exploited Vulnerabilities catalog (nvd.nist.gov)
- CVE-2026-68820 on this site · NVD · CVE.org · Vulnpedia · KEV
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