Critical severity · published Mar 12, 2026
CVE-2026-21669
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server
9.9
CVSS
1.2%
EPSS
No
On KEV
Description
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BR
Backup & Replication · Veeam
13.0.0.496 before 13.0.1.2067 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21669
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21669
Vendor Advisory
https://www.veeam.com/kb4831
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