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Microsoft January 2026 Patch Tuesday: 114 Vulnerabilities Fixed Including 3 Zero-Days

Alerts

Microsoft January 2026 Patch Tuesday: 114 Vulnerabilities Fixed Including 3 Zero-Days

Microsoft's first Patch Tuesday of 2026 addresses 114 security vulnerabilities across Windows, Office, and related services. The release includes 12 critical-severity flaws and patches for three zero-day vulnerabilities. By the Numbers Zero-Days Patched Three zero-day vulnerabilities were addressed in this release: * CVE-2026-20805 - Desktop Window Manager information disclosure

By Zero Day Wire