Vulnerability · Published Mar 12, 2026 · Assigned by hackerone
CVE-2026-21672
High 8.8
In plain English
A high-severity security flaw in Backup and Replication from Veeam. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 85.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Veeam | Backup and Replication | 12 – before 12.3.213 – before 13.0.1 |
Weakness: CWE-538 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H