A Vulnerability in Microsoft Office Could Allow for Security Feature Bypass
ID: d8abb362-1d0f-5445-a5dc-8ef83d8b7e4b
STIX ID: report--d8abb362-1d0f-5445-a5dc-8ef83d8b7e4b
Feed Name: CISecurity.org Advisories
Threat Score
A Microsoft Office vulnerability (CVE-2026-21509) allows an attacker to bypass a security feature locally by sending a specially crafted Office file and convincing a user to open it; Microsoft has not provided technical details or indicated active exploitation. The report states the Preview Pane is not an attack vector.
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