Microsoft released security patches for 57 vulnerabilities in December 2025, including critical fixes for zero-day flaws actively exploited in the wild. The updates mainly target Windows, Office, and other Microsoft products to prevent privilege escalation and remote code execution attacks. #CVE-2025-62221 #OfficeVulnerabilities
Keypoints
- Microsoft’s December 2025 update addresses 57 security vulnerabilities across multiple products.
- One zero-day flaw in the Windows Cloud Files Mini Filter Driver is actively exploited, enabling privilege escalation.
- Two high-severity Office vulnerabilities could allow remote code execution via social engineering.
- Some vulnerabilities have public proof-of-concept code, increasing the risk of exploitation.
- The company has patched over 1,200 issues in 2025, maintaining a trend of resolving extensive security flaws.
Read More: https://www.securityweek.com/microsoft-patches-57-vulnerabilities-three-zero-days/