CVE-2026-21514: listed in the CISA KEV catalog

CVE-2026-21514 · CVSS 7.8 HIGH · EPSS 2% · KEV 2026-02-10 · patch available

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

Is CVE-2026-21514 exploited?

• Listed in the CISA KEV catalog on 2026-02-10.
• Federal remediation due 2026-03-03.
• Past that date by 165 days.
• EPSS puts exploitation in the next 30 days at 2%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

• Click to Run
• Release Notes

What PlainSec published about CVE-2026-21514

• Microsoft Word OLE Bypass Exposes Nearly 14M Assets (2026-03-18)

Primary sources

• NVD record
• CISA KEV catalog
• Microsoft Release Notes

What this record does not say

• No affected package data.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.