# CVE-2026-106076: Veeam Backup for Microsoft 365 SQL injection in configuration database

Source: https://junglewise.ai/threats/cve-2026-106076-a-vulnerability-allowing-an-authenticated-organization-transfer  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

CVE-2026-106076 · Severity: info · Published 2026-10-27

Veeam Backup for Microsoft 365 is a backup and recovery service for Microsoft cloud environments. An authenticated attacker with organization-transfer privileges can inject malicious SQL commands into the backup server's configuration database, allowing them to steal or modify backup settings across multiple customer tenants and execute code with database service privileges, potentially compromising all data protected by the system.

Technologies: [Veeam Backup for Microsoft 365](https://junglewise.ai/threats/technologies/backup-for-microsoft-365). Vendors: [Veeam](https://junglewise.ai/threats/vendors/veeam).

## Quick answers

**Is CVE-2026-106076 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-106076 being exploited in the wild.

**How severe is CVE-2026-106076?** Informational severity, published 27 October 2026.

**Which products and versions are affected?** Veeam Backup for Microsoft 365 8.5.0.1014 and all earlier version 8 builds.

**Is there a fix for CVE-2026-106076?** Yes: fixed in Veeam Backup for Microsoft 365 8.6 (build 8.6.0.1102). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-106076 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-106076?** Check whether you run Veeam Backup for Microsoft 365 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in Veeam Backup for Microsoft 365 8.6 (build 8.6.0.1102)

## Technical details

An authenticated organization-transfer peer can inject SQL into the PostgreSQL configuration database of the source Veeam Backup for Microsoft 365 server via insufficient input sanitization. This enables cross-tenant read and write access to configuration data and remote code execution as the PostgreSQL service account. The attack requires network access and valid organization-transfer credentials.

## Affected products

- Veeam Backup for Microsoft 365 8.5.0.1014 and all earlier version 8 builds

## Timeline

- 2026-10-27: disclosed

## References

- [https://www.veeam.com/kb4957](https://www.veeam.com/kb4957)

## Related threats

- [Veeam Backup for Microsoft 365 REST API authentication bypass](https://junglewise.ai/threats/cve-2026-106078-a-vulnerability-allowing-an-unauthenticated-attacker-to-bypass)
- [Veeam Backup for Microsoft 365 arbitrary file read in Admin role](https://junglewise.ai/threats/cve-2026-106077-a-vulnerability-allowing-a-user-with-the-veeam-backup-for)
- [Veeam Backup for Microsoft 365 privilege escalation during installation](https://junglewise.ai/threats/cve-2025-64394-a-vulnerability-allowing-a-low-privileged-local-user-to-write)