Patch Tuesday
Vendor patch cycles
Aggregated view of the second Tuesday: Microsoft Patch Tuesday and the aligned Adobe, SAP, Intel and Fortinet cycles. Out-of-band releases are listed separately.
September 30, 2026
Microsoft Patch Tuesday · September 2026 (Out-of-Band)
oobTotal1Critical1Zero-Day0KEV0September 8, 2026
Microsoft Patch Tuesday · September 2026
monthlyTotal1189Critical54Zero-Day3KEV3September 2, 2026
Microsoft Patch Tuesday · September 2026 (Out-of-Band)
oobTotal14Critical0Zero-Day0KEV0August 31, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal1Critical0Zero-Day0KEV0August 29, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal50Critical14Zero-Day0KEV0August 28, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal306Critical39Zero-Day0KEV0August 27, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal71Critical1Zero-Day0KEV0August 25, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal12Critical1Zero-Day0KEV0August 24, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal111Critical0Zero-Day0KEV0August 23, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal162Critical2Zero-Day0KEV0August 22, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal9Critical1Zero-Day0KEV0August 21, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal13Critical0Zero-Day0KEV0August 20, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal53Critical15Zero-Day1KEV1August 18, 2026
Microsoft Patch Tuesday · August 2026 (Out-of-Band)
oobTotal1Critical0Zero-Day0KEV0August 11, 2026
Microsoft Patch Tuesday · August 2026
monthlyTotal1068Critical93Zero-Day1KEV1July 31, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal386Critical58Zero-Day0KEV0July 30, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal1Critical1Zero-Day0KEV0July 28, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal34Critical3Zero-Day0KEV0July 27, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal2Critical0Zero-Day0KEV0July 26, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal204Critical5Zero-Day0KEV0July 25, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal36Critical1Zero-Day0KEV0July 24, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal11Critical1Zero-Day0KEV0July 23, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal66Critical15Zero-Day0KEV0July 22, 2026
Microsoft Patch Tuesday · July 2026 (Out-of-Band)
oobTotal11Critical0Zero-Day0KEV0