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#1 The Hacker News general November 11, 2026 at 08:17 UTC

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

By [email protected] (The Hacker News)

AI Summary

Microsoft's November 2026 Patch Tuesday addressed 1,259 vulnerabilities — the second consecutive month exceeding 1,000 fixes — including 726 Windows flaws, 174 Office bugs, and an actively exploited Outlook zero-day (CVE-2026-124194) that can expose NTLMv2 hashes. The patch volume, combined with critical Exchange, SharePoint, and LDAP bugs, makes this an urgent prioritization challenge for defenders managing large Windows estates.

Read full article → https://thehackernews.com/2026/11/microsoft-patche…

Relevance score: 92.0/100

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