← Back to CVEs
CVE-2026-21514
HIGHCISA KEV7.8
Description
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
CVE Details
CVSS v3.1 Score7.8
SeverityHIGH
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
Published2/10/2026
Last Modified2/11/2026
Sourcekev
Honeypot Sightings0
CISA KEV
VendorMicrosoft
ProductOffice
Vulnerability NameMicrosoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability
KEV Date Added2026-02-10
Remediation Due Date2026-03-03
Ransomware UseUnknown
Affected Products
microsoft:365_appsmicrosoft:office_long_term_servicing_channel
Weaknesses (CWE)
CWE-807
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514(secure@microsoft.com)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21514(134c704f-9b21-4f2e-91b3-4a467353bcc0)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.