CVE-2026-64633

Veeam ONE Receives Security Update Addressing Critical Vulnerabilities Including CVE-2026-65641

Veeam Software has released updates for its backup environment monitoring tool Veeam ONE to address multiple vulnerabilities. The advisory covers the 13.x series and includes fixes rated as critical under CVSSv4.0. One flaw, CVE-2026-65641, allows service accounts to perform SMB authentication and carries a base score of 9.3. Additional high-severity issues such as CVE-2026-64633 with a perfect 10.0 score were also resolved in the patches. The company updated its disclosure to include seven vulnerabilities fixed in version 13.1.0.7034 after initially reporting six. Patches are now available for both the 13.x and 12.x branches, with the latest 12.3 Patch 1 backporting several fixes from the 13 series.

Critical Remote Code Execution Flaw Patched in Veeam ONE Backup Management Product

Veeam Software disclosed six vulnerabilities in its backup environment operations management product Veeam ONE on July 29, 2026. The most severe issue, tracked as CVE-2026-64633, permits unauthenticated remote code execution on the agent host and received a maximum CVSS v4.0 base score of 10.0, rated Critical. A second flaw, CVE-2026-58075, allows unauthenticated arbitrary file reads that can lead to local privilege escalation and carries a CVSS score of 8.7. The vendor released updated versions addressing all six issues in Veeam ONE 13.1. Security researchers and administrators are urged to apply the patches immediately given the high severity and lack of authentication requirements for the critical vulnerability.