Vulnerability · Published Sep 15, 2021 · Assigned by microsoft
CVE-2021-38638Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity privilege mismanagement in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 55.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Affected products (as reported)
Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability vendor-advisory, patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38638 x_refsource_MISC, x_transferred