CVE-2026-44963 CRITICAL

CVE-2026-44963

Vendor Veeam
Product Backup and Replication
Weakness CWE-502 · Unsafe deserialization
Published June 9, 2026
Last update June 10, 2026

CVSS base score

9.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 10, 2026 Record updated