Security News > 2025 > February > Microsoft fixes two actively exploited zero-days (CVE-2025-21418, CVE-2025-21391)
2025-02-11 20:15
February 2025 Patch Tuesday is here, and Microsoft has delivered fixes for 56 vulnerabilities, including two zero-days – CVE-2025-21418 and CVE-2025-21391 – under active exploitation. CVE-2025-21418 and CVE-2025-21391 CVE-2025-21418 is a vulnerability in the Windows Ancillary Function Driver (AFD.sys), which interfaces with the Windows Sockets API to enable Windows applications to connect to the internet. It can be exploited by attackers to elevate privileges on the target host. “An authenticated user would need to run … More → The post Microsoft fixes two actively exploited zero-days (CVE-2025-21418, CVE-2025-21391) appeared first on Help Net Security.
News URL
Related news
- Ivanti Connect Secure zero-day exploited by attackers (CVE-2025-0282) (source)
- Ivanti Connect Secure zero-day exploited since mid-December (CVE-2025-0282) (source)
- Microsoft Uncovers macOS Vulnerability CVE-2024-44243 Allowing Rootkit Installation (source)
- Fortinet fixes FortiOS zero-day exploited by attackers for months (CVE-2024-55591) (source)
- Microsoft January 2025 Patch Tuesday fixes 8 zero-days, 159 flaws (source)
- Microsoft fixes actively exploited Windows Hyper-V zero-day flaws (source)
- 3 Actively Exploited Zero-Day Flaws Patched in Microsoft's Latest Security Update (source)
- SonicWall SMA appliances exploited in zero-day attacks (CVE-2025-23006) (source)
- Apple zero-day vulnerability exploited to target iPhone users (CVE-2025-24085) (source)
- Russian cybercrooks exploiting 7-Zip zero-day vulnerability (CVE-2025-0411) (source)
Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2025-02-11 | CVE-2025-21418 | Unspecified vulnerability in Microsoft products Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability | 7.8 |
| 2025-02-11 | CVE-2025-21391 | Unspecified vulnerability in Microsoft products Windows Storage Elevation of Privilege Vulnerability | 7.1 |