CVE-2026-21669
CVSS v3
10
CRITICAL
EPSS Score
1.2 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Published
- 2026-06-01
- Last Modified
- 2026-05-10
Frequently asked questions
What is CVE-2026-21669?
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Is CVE-2026-21669 actively exploited?
Active exploitation of CVE-2026-21669 has not been confirmed. The EPSS score is 1.2%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-21669?
CVE-2026-21669 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Is CVE-2026-21669 affecting your environment?
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