CVE-2026-21709

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-21709
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-17 16:16:36 UTC
Updated2026-04-20 16:16:41 UTC
DescriptionA vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from ADP

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

EPSS: 0.000080000 probability, percentile 0.007360000 (date 2026-04-21)

Problem Types: CWE-77 | CWE-77 CWE-77 Command Injection - Generic

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Veeam Backup And Replication affected 12 12.3.2 semver Not specified
CNA Veeam Software Appliance affected 13 13.0.1 semver Not specified

References

ReferenceSourceLinkTags
www.veeam.com/kb4830 [email protected] www.veeam.com
www.veeam.com/kb4831 [email protected] www.veeam.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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