Vulnerability · Published Apr 17, 2026 · Assigned by hackerone

CVE-2026-21709

Medium 6.7

In plain English

A medium-severity command injection in Backup and Replication from Veeam. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.2%top 93.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Veeam Backup and Replication 12 – before 12.3.2
Veeam Software Appliance 13 – before 13.0.1

Weakness: CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References