CVE-2026-68820
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- Published Aug 11, 2026
- CVSS 7.0 high
- 0.3% chance of exploitation in the next 30 days (EPSS)
- In CISA's Known Exploited Vulnerabilities catalog
- A fix is available
Affected software
In the news
- Microsoft Plugs Nearly 400 Security Holes Krebs on Security ·
- Critical Patches Issued for Microsoft Products, August 11, 2026 CIS MS-ISAC ·