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#4 CyberScoop general October 14, 2026 at 17:42 UTC

Microsoft drops an actively exploited zero-day among record high of 1,413 vulnerabilities

By Matt Kapko

AI Summary

Microsoft's October 2026 Patch Tuesday addressed a record-breaking 1,413 vulnerabilities in a single month, surpassing any prior annual total, with nearly 80% affecting Windows and at least one zero-day under active exploitation included in the release. Security teams face an unprecedented patching workload and should immediately prioritize the actively exploited zero-day and any critical-rated Windows flaws in this release.

Relevance score: 89.0/100

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