CVE-2026-21514

7.8 highKEVEPSS 1.6%

High (7.8) in Microsoft Office. In CISA KEV since 2026-02-10. EPSS 1.6% chance of exploitation in the next 30 days.

Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2026-02-10, due 2026-03-03
CWE: CWE-807
Published: 2026-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19