Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Published: 2025-02-11
Microsoft addresses 55 CVEs with three rated critical and four zero-day vulnerabilities, including two that were exploited in the wild.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418
https://thehackernews.com/2025/02/microsofts-patch-tuesday-fixes-63-flaws.html
https://securityaffairs.com/174135/security/u-s-cisa-adds-microsoft-windows-zyxel-device-flaws-known-exploited-vulnerabilities-catalog.html
https://hackread.com/patch-tuesday-microsoft-fixes-0-day-bugs/
https://www.securityweek.com/microsoft-patches-wormable-windows-flaw-and-file-deleting-zero-day/
https://www.cisa.gov/news-events/alerts/2025/02/11/cisa-adds-four-known-exploited-vulnerabilities-catalog
https://www.tenable.com/blog/microsofts-february-2025-patch-tuesday-addresses-55-cves-cve-2025-21418-cve-2025-21391
Source: Mitre, NVD
Updated: 2025-02-12
Known Exploited Vulnerability (KEV)
Base Score: 6.8
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.0649