SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2026-21669

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

CRITICAL 9.9EPSS 1.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
1.17% probability · 66th percentile
CISA KEV
Not listed
Weakness
CWE-94, CWE-693
Affected
veeam/veeam backup \& replication
Source
support@hackerone.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.