CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Mar 3, 2026
High
CISA KEVCVE-2026-21514
Microsoft—Office
Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.
Required Action
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21514
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Feb 10, 2026
- KEV Added
- Feb 10, 2026
- Due Date
- Mar 3, 2026
- Related Articles
- 0
Vendor
Microsoft
Office