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Microsoft January 2026 Patch Tuesday Addresses 113 Vulnerabilities

First seen 14 Jan 2026, 02:09 UTC •Redmondmag •57

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In January 2026, Microsoft released its largest Patch Tuesday update in four years, addressing 113 vulnerabilities across Windows, Office, and other products. Among these was a critical zero-day vulnerability, CVE-2026-20805, which was actively exploited at the time of the release.

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