Microsoft Patch Tuesday, January 2026 Security Update Review
ID: 959720d9-26b5-571c-8e38-49c2331e1dde
STIX ID: report--959720d9-26b5-571c-8e38-49c2331e1dde
Feed Name: Qualys Blog
Threat Score
Microsoft's January 2026 Patch Tuesday addresses 115 vulnerabilities (8 critical, 106 important), including three zero-days — one confirmed exploited and two publicly disclosed — across numerous Windows and Microsoft components; organizations are urged to apply patches promptly (CISA added the actively exploited flaw to its Known Exploited Vulnerabilities catalog and recommends patching by February 3, 2026).
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