Cyber & Technology

Microsoft Patch Tuesday, December 2025 Edition

January 22, 2026 at 01:46Z
BIAS: Center
RELIABILITY: Very High

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Krebs on Security
23:18Z

Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that is already being exploited, as well as two publicly disclosed vulnerabilities. Despite releasing a lower-than-normal number of security updates these past few months, Microsoft patched a whopping 1,129 vulnerabilities in 2025, an 11.9% increase from 2024.

According to Satnam Narang at Tenable , this year marks the second consecutive year that Microsoft patched over one thousand vulnerabilities, and the third time it has done so since its inception. The zero-day flaw patched today is CVE-2025-62221 , a privilege escalation vulnerability affecting Windows 10 and later editions. The weakness resides in a compon

Source Assessment

Political Bias
Center
Reliability
Very High

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