Post #1413316

Microsoft released CVE-2026-21509 today for an Office Security Feature Bypass Vulnerability. Microsoft has indicated this CVE is being actively exploited and is publicly disclosed. Update: Patches for Office 2016 and 2019 are apparently now available. “Office 2021 and later will be automatically protected via a service-side change, but will be required to restart their Office applications for this to take effect.” https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21509 #ThreatIntel