CVE-2025-64393CWE-502insecure-deserialization

CVE-2025-64393

published October 7, 2026

CVSS
9.4
EPSS
0%
Percentile
28.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
9.4 · NONE
CVSS v4.0
9.4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00360 · 28.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-10-07T13:17Z
References (1)
https://www.veeam.com/KB4934 · [email protected]
EPSS history
Timeline
  • 08 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 07 OCT 08:48Z
    This vulnerability in Veeam Backup & Replication allows a Backup Viewer to execute arbitrary code as SYSTEM on the backup server
    cvelistv5