CERT-FR Flags Multiple Veeam Vulnerabilities
CERT-FR advisory details multiple vulnerabilities in Veeam Backup & Replication, Agent, ONE and Microsoft 365 products enabling RCE, privilege escalation and data exposure.
Sourcecert.cyber.gouv.fr — open the original
What to check
- Applies to
- The 9 CVEs named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- No exploitation in the wild and no public exploit is recorded for the CVEs named.
CERT-FR has issued an advisory (CERTFR-2026-AVI-1399) covering multiple vulnerabilities across several Veeam products: Veeam Agent for Linux, Veeam Backup & Replication (both 13.0.x and 13.1.x branches), Veeam Backup for Microsoft 365, and Veeam ONE. The flaws collectively allow an attacker to achieve remote code execution, privilege escalation, SQL injection, denial of service, security policy bypass, and compromise of data confidentiality and integrity. Nine CVEs are referenced (CVE-2025-64394, CVE-2026-105477, CVE-2026-106076, CVE-2026-106077, CVE-2026-106078, CVE-2026-107671, CVE-2026-108140, CVE-2026-108141, CVE-2026-108142), tied to three Veeam security bulletins (kb4948, kb4951, kb4957) published 27 October 2026.
No exploitation in the wild is mentioned in this advisory. Given Veeam's widespread use for backup and recovery, and its history as a frequent target for ransomware operators seeking to destroy or exfiltrate backups, these products warrant prompt patching. CERT-FR directs administrators to the vendor bulletins for patches and does not provide further technical detail or workarounds beyond applying the fixes.
Defenders running affected Veeam products should prioritize updating to the fixed builds: Veeam Agent for Linux 13.1.2 (build 13.1.2.11) or later, Veeam Backup & Replication 13.0.3 (build 13.0.3.63) or 13.1.2 (build 13.1.2.57) or later depending on branch, Veeam Backup for Microsoft 365 8.6 Patch 1 (build 8.6.0.5011) or later, and Veeam ONE 13.1 P1 (build 13.1.0.7940) or later. Given the backup infrastructure's critical role and frequent targeting, these updates should be treated with urgency even absent confirmed in-the-wild exploitation.
Mentioned in this report
Source reporting: https://www.cert.cyber.gouv.fr/avis/CERTFR-2026-AVI-1399
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