Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws

Published on December 9, 2025

Microsoft's December 2025 Patch Tuesday fixes 57 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. [...]

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Fortinet warns of critical FortiCloud SSO login auth bypass flaws

December 9, 2025
Fortinet has released security updates to address two critical vulnerabilities in FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager that could allow attackers to bypass FortiCloud SSO authentication. [...]

Microsoft releases Windows 10 KB5071546 extended security update

December 9, 2025
Microsoft has released the KB5071546 extended security update to resolve 57 security vulnerabilities, including three zero-day flaws. [...]