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CVE-2026-44963

Quick assessment

Affected
Veeam Backup and Replication
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.

Veeam Backup And Replication是美国Veeam公司的一个备份和复制软件。 Veeam Backup and Replication存在代码问题漏洞，该漏洞源于允许认证域用户远程执行代码。

AI Predicted 8.1 Difficulty: Easy EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Veeam Backup and Replication < 12.3.2 affected
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I. Basic Information for CVE-2026-44963

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Veeam Backup And Replication 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Veeam Backup And Replication是美国Veeam公司的一个备份和复制软件。 Veeam Backup and Replication存在代码问题漏洞，该漏洞源于允许认证域用户远程执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Veeam Backup and Replication 0 ~ 12.3.2 -

II. Public POCs for CVE-2026-44963

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-44963

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Vendor Advisories for CVE-2026-44963 (1)

IV. Related Vulnerabilities

Same product: Backup and Replication
Same vendor: Veeam
Same weakness: CWE-502

V. Comments for CVE-2026-44963

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