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Microsoft Patches 1,259 Flaws, Including Exploited Outlook Bug That May Expose NTLMv2 Hashes

The Hacker News
· November 11, 2026

AI summary

Microsoft has released patches for 1,259 vulnerabilities across its software portfolio. This is the second consecutive month where the number of patches has exceeded 1,000. The patches address flaws in various products, including Windows, Office, Developer Tools, SQL Server, and SharePoint Server. The breakdown includes 726 flaws in Windows, 174 in Office, and other smaller numbers in additional products. The patches also cover 165 non-Microsoft-issued CVE identifiers. This large patch release aims to address a wide range of vulnerabilities in Microsoft's software.

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