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October 2026 Patch Tuesday: 1,413 CVEs Include Three Zero-Days and 75 Critical Vulnerabilities

Our takeMicrosoft's October 2026 Patch Tuesday fixes 1,413 CVEs, including three zero-days and 75 criticals. Patch today.
Sources (3)
What this means for you — Security leader:Apply October 2026 patches for the 75 criticals and three exploited zero-days immediately; prioritize internet-facing systems and test thoroughly before broad rollout.
What this means for you — Lean IT orgs:Patch your Windows systems and any Microsoft software this week; focus first on anything exposed to the internet.
What this means for you — MSP:Schedule October 2026 patching for all clients; the three exploited zero-days and 75 criticals warrant immediate action on internet-facing assets across every stack.
What this means for you — Researcher:Review CrowdStrike's full breakdown of the 1,413 CVEs; the three zero-days and 75 criticals are the highest priority for exploit likelihood analysis.