Name: CVE-2026-21666: Improper Access Control
Creator: Rapid7
Published: 2026-03-12T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-21666, CVSS 9.9, EPSS 0.01148

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

CVSS Details

CVSS 3.1 Base Score: 9.9
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Veeam Backup And Replication	—	Upgrade Veeam Backup and Replication to the latest version	Mar 13, 2026	Mar 12, 2026

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CVSS Details

Covered by Rapid7

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