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Vulnerabilities & PatchesEmerging1 sourceSep 8, 2026 · 18:07via Tenable Blog

Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs (CVE-2026-81963, CVE-2026-85880)

Brief

  • 104 Critical
  • 860 Important
  • 0 Moderate
  • 0 Low

Microsoft addresses 964 CVEs, smashing July’s release as the largest Patch Tuesday release. This month’s updates include patches for two zero-days that were exploited in the wild.

Microsoft patched a record 964 CVEs in its September 2026 Patch Tuesday release, with 104 rated critical and 860 rated as important.

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