CVE-2026-106076 Veeam Backup for Microsoft 365 - SQL Injection

Veeam Backup for Microsoft 365 contains an SQL injection caused by authenticated organization-transfer peer input in the configuration database, letting attackers read/write cross-tenant data and execute code remotely, exploit requires authentication.

CVSS base score 9.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.37% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
SQL Injection
Impact
Remote Code Execution, Data Tampering, Information Disclosure
CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-89

Vendor fix

Update to the latest version of Veeam Backup for Microsoft 365.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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