All vulnerabilities
CVE-2025-64393

This vulnerability in Veeam Backup & Replication allows a Backup Viewer to execute arbitrary code as SYSTEM on the backup server.

Veeam Backup and Replication
CVSS
9.4Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.36%Chance of exploitation activity in the next 30 days, higher than 28% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in12.3.2.4934Fixed versionCVE List
Published7 Oct 2026Updated 8 Oct 2026CVE List

What fixes it

  • 12.3.2.4934Backup and ReplicationCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Affected versions 1

  • Backup and Replicationaffected: 12 before 12.3.2.4934CVE List

References 1