CVE-2026-21709 — MEDIUM (6.7)

Vulnerability Description

A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.

CVSS Score

6.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-77

References

https://www.veeam.com/kb4830
https://www.veeam.com/kb4831

FAQ

What is CVE-2026-21709?

CVE-2026-21709 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.

How severe is CVE-2026-21709?

CVE-2026-21709 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21709?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.