CVE-2026-21666

CVSS 10 CRITICALEPSS 1.1%CWE-284

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 10EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

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References