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Veeam Fixes RCE Bugs in Critical Backup & Replication Platform

ID: 61ef427d-d6a3-56bd-abae-fc7004306611

STIX ID: report--61ef427d-d6a3-56bd-abae-fc7004306611

Feed Name: The Cyber Express

Threat Score
75/100

Date Published: 2026-03-13

Date Updated: 2026-04-23

Author: Ashish Khaitan

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An urgent Veeam advisory (KB ID:4830, published 2026-03-12) describes fixes in Backup & Replication 12.3.2.4465 for multiple high- and critical-severity vulnerabilities—most notably CVE-2026-21666 and CVE-2026-21667 (CVSS 9.9)—that can allow authenticated domain users to execute remote code on backup servers; organizations are urged to apply the update immediately to protect backup infrastructure.

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