#ole-mitigation-bypass

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#microsoft-office #cve-2026-21509 #security-patch
Information security
fromThe Hacker News
2 days ago

Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active Exploitation

Microsoft released out-of-band patches for an OLE mitigation bypass zero-day (CVE-2026-21509) in Office; Office 2021+ gets service-side protection after restart.
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