Home
Home
Trends
Trends
Vulnerabilities
Vulnerabilities
News
News
Researchers
Researchers
Why dbugs?
Why dbugs?
Settings

Dungnm_With

Researcher fromViettel Cyber Security
#36573of 60,391
7.8Total CVSS
Vulnerabilities · 1
PT-2026-2681
2026-01-13
7.8
CVE-2026-20831
Microsoft
Windows Ancillary Function Driver For Winsock
A time-of-check time-of-use (TOCTOU) race condition exists in the Windows Ancillary Function Driver for WinSock. This condition allows a locally authorized attacker to elevate privileges. The issue arises from a timing window where a check is performed, and the state changes before the operation is carried out, potentially leading to unintended consequences.