December 2025 Patch Tuesday: One Critical Zero-Day, Two Publicly Disclosed Vulnerabilities Among 57 CVEs

In December 2025, Microsoft's Patch Tuesday addressed 57 vulnerabilities, including one actively exploited zero-day and two publicly disclosed zero-days, highlighting the ongoing challenge of managing security risks. Among the critical issues resolved were remote code execution vulnerabilities in Microsoft Office and a privilege escalation vulnerability in the Windows Cloud Files Mini Filter Driver. These vulnerabilities, with CVSS scores indicating significant risk, underscore the importance of timely updates and proactive defense strategies. Organizations are advised to prioritize these patches and consider broader mitigation strategies, as not all vulnerabilities can be immediately patched. CrowdStrike's Falcon platform offers tools to enhance vulnerability management and improve organizational security posture by analyzing endpoint events and aiding in the discovery and prioritization of exposures.

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