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CVE-2025-64393

CriticalCVSS 9.4/10Last modified Oct 24, 2026

Description

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

Metrics

CVSS 4.0 9.4/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Veeam	Backup and Replication	>= 12, < 12.3.2.4934

References

https://www.veeam.com/KB4934

Timeline

Published: Oct 7, 2026
Last modified: Oct 24, 2026
NVD status: Awaiting Analysis

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CVE-2025-64393: Critical severity, CVSS 9.4 | Vulnix