CVE-2026-21672 json
A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.
published 2026-03-12 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-11595
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.
Patch / fix
- Veeam Backup and Replication 12.3.2, 13.0.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Veeam Backup and Replication
Classification
- Weakness
-
- CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory
References
Sources
- CVE List CVE-2026-21672
- NVD CVE-2026-21672
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.