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Veeam Releases Security Advisory for Critical Vulnerability in Backup & Replication

CVE‑2026‑44963 allows authenticated attackers to execute remote code on Veeam Backup & Replication servers.

Report a cyber attack: call 0300 303 5222 or email [email protected]

Summary

CVE‑2026‑44963 allows authenticated attackers to execute remote code on Veeam Backup & Replication servers.


Threat details

Introduction

Veeam has released a security advisory to address a critical vulnerability in Veeam Backup & Replication. Successful exploitation could allow a remote authenticated attacker with domain user privileges to execute remote code on affected backup servers.

  • CVE-2026-44963 - Remote code execution vulnerability - CVSSv4 Base Score: 9.4

Remediation advice

Affected organisations are encouraged to review Veeam advisory KB4869 and apply the relevant update as soon as possible.


Definitive source of threat updates


Last edited: 9 June 2026 1:52 pm