VEEAM Backup for Microsoft 365

• CVE-2025-64394 Medium 4.3 A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365, which can lead to privilege escalation o 0.1%
• CVE-2026-106078 Medium 6.9 A vulnerability allowing an unauthenticated attacker to bypass REST API authentication with a forged federation token and receive responses from REST API endpoints that do not call the Veeam Backup fo 0.3%
• CVE-2026-106077 High 8.3 A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges. 0.2%
• CVE-2026-106076 Critical 9.0 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 0.4%