Microsoft has released its February 2025 Patch Tuesday, addressing 55 security vulnerabilities, including four significant zero-day flaws. Here’s a comprehensive breakdown of the security update:

Key Vulnerabilities Fixed:
– 19 Elevation of Privilege
– 22 Remote Code Execution
– 9 Denial of Service
– 3 Spoofing
– 2 Security Feature Bypass
– 1 Information Disclosure

Critical Zero-Day Vulnerabilities:

1. Actively Exploited:
– CVE-2025-21391: Windows Storage Elevation of Privilege
– CVE-2025-21418: Windows Ancillary Function Driver for WinSock

2. Publicly Disclosed:
– CVE-2025-21194: Microsoft Surface Security Feature Bypass
– CVE-2025-21377: NTLM Hash Disclosure Spoofing

Other Major Security Updates:
– Three “Critical” remote code execution vulnerabilities
– Microsoft Dynamics 365 Sales elevation of privileges flaw
– 10 Microsoft Edge vulnerabilities (fixed on February 6)

Additional Vendor Updates:
– Adobe: Security updates for Photoshop, Substance3D, Illustrator, and Animate
– AMD: Firmware updates for CPU microcode vulnerability
– Apple: Zero-day exploitation security fix
– Cisco: Updates for IOS, ISE, NX-OS, and Identity Services
– Google: Android Kernel USB Video Class driver fix
– Fortinet: Updates for multiple products
– Netgear: Critical WiFi router vulnerability fixes
– SAP: Multiple product security updates

Users are strongly advised to install these security updates promptly to protect their systems from potential cyber threats.