Under Attack: Microsoft Patches Office Zero-Day (CVE-2026-21509) Exploited in the Wild Vulnerability Report Under Attack: Microsoft Patches Office Zero-Day (CVE-2026-21509) Exploited in the Wild Do Son January 27, 2026 0 Microsoft has rolled out an urgent security update to plug a zero-day hole exploited in attacks in... Read More Read more about Under Attack: Microsoft Patches Office Zero-Day (CVE-2026-21509) Exploited in the Wild
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