Critical CVE-2026-44963 Flaw Lets Attackers Run Arbitrary Code

THE page discusses a critical vulnerability in Veeam Backup & Replication tracked as CVE-2026-44963, which has a CVSS score of 9.4. This flaw allows authenticated domain users to execute arbitrary code on the backup server. It affects versions prior to 12.3.2, with a patch available in version 12.3.2.4854. Currently, there are no confirmed exploitations in the wild, but due to past incidents involving financially motivated groups, immediate patching is advised. The piece emphasizes the importance of securing backup servers to prevent ransomware attacks.