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CRITICAL

CVE-2026-21669

CVSS v3

10

CRITICAL

EPSS Score

1.2 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-21669 yet.

Full record on NVD

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. Its EPSS score was 1.2% on 2026-10-19, 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.

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