CVE-2026-106076

CRITICAL CVSS 4.0: 9.0
Updated Oct 27, 2026
Microsoft
Parameter Value
CVSS 9.0 (CRITICAL)
Type CWE-89 (SQL Injection)
Vendor Microsoft
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)