Microsoft fixes an actively exploited zero-day in the December 2025 security updates
520/68 Friday, December 12, 2025 Microsoft has released its December 2025 Patch Tuesday security updates, addressing a total of 57 vulnerabilities across a wide range of products, including Windows and Windows Components, Office, Microsoft Edge (Chromium-based), Exchange Server, Azure, Copilot, PowerShell, and Windows Defender. Of these, three vulnerabilities are rated Critical, while the remaining issues […]
