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CVE-2026-21514

high · 7.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Added 2026-02-10Remediation due 2026-03-03

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

7.8
CVSS
1.5%
EPSS (exploit prob.)
74th
EPSS percentile
2026-02-10
Published

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

Weaknesses

CWE-807

Affected products

VendorProductAffected versions
microsoft365_appsall versions
microsoft365_appsall versions
microsoftoffice_long_term_servicing_channel2021
microsoftoffice_long_term_servicing_channel2021
microsoftoffice_long_term_servicing_channel2021
microsoftoffice_long_term_servicing_channel2024
microsoftoffice_long_term_servicing_channel2024
microsoftoffice_long_term_servicing_channel2024

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-21514