com compatibility

  1. CVE-2026-21509 Office Mitigation: Registry Kill Bit Guide

    Microsoft has published guidance and an immediate mitigation for CVE-2026-21509 — a security-feature-bypass vulnerability that affects Microsoft Office — and administrators should apply the recommended protections now while patches are rolled out. (msrc.microsoft.com) Background and high-level...
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    • com compatibility cve 2026 21509 office mitigation registry settings
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    • Forum: Security Alerts