outlook

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Dec ’25records per month, by first reportNov ’26

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Microsoft Outlook Microsoft Outlook zero-day vulnerability actively exploited in the wild
Patch now · Exploited · Patched · since 10 Nov 2026 · updated 11 Nov 2026 · CVE-2026-124194
Microsoft addressed a heavily exploited zero-day vulnerability in Outlook during its November 2026 Patch Tuesday updates. The flaw is part of a broader batch of security fixes released by the vendor.
Do:Apply the latest security updates provided by Microsoft for Outlook.

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