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CVE-2026-106076

Quick assessment

Affected
Veeam Backup for Microsoft 365
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

该漏洞允许经过身份验证的组织迁移对等端向源 Veeam Backup for Microsoft 365 服务器的配置数据库注入 SQL 代码，从而导致跨租户读取和写入配置数据，并以 PostgreSQL 服务账户身份执行远程代码。

CVSS 9.0 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
Veeam Backup for Microsoft 365 8.0≤ 8.5.0.1014 affected
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I. Basic Information for CVE-2026-106076

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Veeam Backup for Microsoft 365 8.0 ~ 8.5.0.1014 -

II. Public POCs for CVE-2026-106076

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-106076

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Other References for CVE-2026-106076 (1)

Same Patch Batch · Veeam · 2026-10-27 · 9 CVEs total

CVE-2026-108142 9.1 CRITICAL CDP Coordinator 服务未授权绕过漏洞
CVE-2026-107671 8.5 HIGH 管理员凭据可全局禁用多因素认证绕过漏洞
CVE-2026-106077 8.3 HIGH Veeam Backup for Microsoft 365 任意文件读取漏洞
CVE-2026-105477 7.3 HIGH Veeam Agent for Linux 本地提权漏洞
CVE-2026-106078 6.9 MEDIUM Veeam Backup for Microsoft 365 认证绕过漏洞
CVE-2026-108141 5.9 MEDIUM Nas 备份服务相对路径遍历漏洞
CVE-2026-108140 5.9 MEDIUM 备份服务器相对路径遍历漏洞（Restore Operator 角色）
CVE-2025-64394 4.3 MEDIUM Veeam Backup for Microsoft 365 安装时提权漏洞

IV. Related Vulnerabilities

Same product: Backup for Microsoft 365
Same vendor: Veeam
Same weakness: CWE-89