Permissions, Privileges, and Access Controls in Backup & Replication - CVE-2026-21672

 

Permissions, Privileges, and Access Controls in Backup & Replication - CVE-2026-21672

Published: March 12, 2026


Vulnerability identifier: #VU123970
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21672
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Veeam
Affected software:
Backup & Replication

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improperly imposed security restrictions. A local user can execute arbitrary code with elevated privileges. 


How to mitigate CVE-2026-21672

Install updates from vendor's website.

Sources