CVE-2026-106076
Critical
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.
SeverityCritical
CVSS9.0
Exploit probability—
Product
Backup for Microsoft 365
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-89SQL injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Veeam Backup for Microsoft 365 | 8.0 ≤ v ≤ 8.5.0.1014 | — |
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