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CVE-2026-21709

MEDIUM
6.7
CVSS Score
Published: April 17, 2026 at 03:32 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
2 products affected across 1 vendorVeeam Backup & ReplicationSoftware Appliance

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Software Appliance· Veeam
90%
13 ≤ v < 13.0.113
Affected range stops below 13.0.1, so it looks safe — our inference, not a vendor statement
Veeam Backup & Replication· Veeam
90%
12 ≤ v < 12.3.212
Affected range stops below 12.3.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-77

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