Vulnerability details

CVE-2026-106076

Veeam Backup for Microsoft 365
CVSS 4.0
9.0Critical

Official description

A vulnerability allowing an authenticated organization-transfer peer to inject SQL into the configuration database of the source Veeam Backup for Microsoft 365 server, leading to cross-tenant read and write of configuration data and remote code execution as the PostgreSQL service account.

CVSS scores

ScoreVersionSourceVector
9.0Critical 4.0 CVEProject cvelistV5 (CNA) (hackerone) CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Affected products

VendorProductVersionsSource
Veeam Backup for Microsoft 365 8.0 ≤ v ≤ 8.5.0.1014 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-27
Last updated
2026-11-04
State
Published
Assigner (CNA)
hackerone
Kolun priority
31 · Low

Exploit prediction (EPSS)

0.36%
Probability of exploitation in 30 days
30.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-89
    SQL Injection