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 Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00367.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Veeam Backup for Microsoft 365 unaffected
Version Status Constraints
8.0 affected ≤ 8.5.0.1014

No data.

No data.

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Vendors Products
Veeam Subscribe
Backup For Microsoft 365 Subscribe

Project Subscriptions

Vendors Products
Veeam Subscribe
Backup For Microsoft 365 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.veeam.com/kb4957 cve-icon cve-icon
History

Wed, 28 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Veeam
Veeam backup For Microsoft 365
Vendors & Products Veeam
Veeam backup For Microsoft 365

Tue, 27 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
Title SQL Injection in Veeam Backup for Microsoft 365 Enables Remote Code Execution

Tue, 27 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-89
References
Metrics cvssV4_0

{'score': 9, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-10-27T16:16:58.882Z

Reserved: 2026-10-06T15:00:00.655Z

Link: CVE-2026-106076

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-27T17:16:56.553

Modified: 2026-10-28T14:47:07.963

Link: CVE-2026-106076

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T22:12:26Z

Weaknesses