FAQ on CVE-2026-21514: OLE bypass N-Day in Microsoft Word
ID: 586c076b-4109-53ff-9280-23bde706e796
STIX ID: report--586c076b-4109-53ff-9280-23bde706e796
Feed Name: Security Boulevard
Threat Score
Tenable reports that CVE-2026-21514, a Microsoft Word security-bypass (OLE/MotW) N-day actively exploited in the wild, enables silent arbitrary code execution when a user opens a malicious document; Tenable’s exposure analysis identifies ~13.99 million affected assets across seven countries and urges immediate patching, email gateway filtering of embedded OLE/COM objects, and deployment of Attack Surface Reduction rules.
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