Cybersecurity · 4 views
November 2026 Patch Tuesday: 63 Critical Microsoft fixes, plus an Outlook zero day that allows theft of hashed credentials
A currently exploited zero-day vulnerability that can let attackers steal hashed Outlook NTLM credentials is among the 1,094 holes Microsoft fixed in its November Patch Tuesday releases.
AI Summary
Microsoft’s November Patch Tuesday addressed 1,094 vulnerabilities, including a currently exploited zero‑day (CVE‑2026‑124194) that enables attackers to steal hashed Outlook NTLM credentials. The flaw is rated moderate with a CVSS score of 6.5, but threat actors are already exploiting it, prompting Windows administrators to apply the fix without delay.
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