Vulnerability · Published Oct 27, 2026 · Assigned by hackerone

CVE-2026-106076

Critical 9.0

In plain English

A critical-severity SQL injection in Backup for Microsoft 365 from Veeam. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 4.0)9.0Critical
Exploit odds (30 days)0.4%top 69.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Veeam Backup for Microsoft 365 8.0 – through 8.5.0.1014

Weakness: CWE-89 · Vector: 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

References