CVE Catalog
CVE-2026-70307
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk0.27%
19th percentile - higher than 19% of all known CVEs
Summary
A use-after-free vulnerability in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized attacker can elevate their privileges in the system, potentially leading to full system control.
Recommendation
Update Windows to the latest version containing the security fix.
Original NVD description (English source)
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.