CVE-2026-21671

Critical

Open

TLP:CLEAR

NVD CVE.org

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Description

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

Details

CVSS Score: 9.1
EPSS Score ⓘ: 1.33%

68.6th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Confidence: 90%
Published: Mar 12, 2026
Last Modified: May 10, 2026

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