CVE-2026-21514
high
Microsoft
⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
EPSS Score
4.9%
Exploitation probability in 30 days
Top 11% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: February 10, 2026 (93 days ago)
Last Modified: March 13, 2026
Vendor: Microsoft
Source: MITRE
⚠️ CISA Known Exploited Vulnerability
Added to KEV: 2026-02-10
Remediation Due: 2026-03-03 (⚠ 73d overdue)
Vulnerability Report
Generated by CyberWatcher
Description
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
CWE
CWE-807Affected Products
Microsoft Microsoft 365 Apps for EnterpriseMicrosoft Microsoft Office LTSC 2021Microsoft Microsoft Office LTSC 2024Microsoft Microsoft Office LTSC for Mac 2021Microsoft Microsoft Office LTSC for Mac 2024