CVE-2026-44963 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
hackerone	CNA	9.4 CRITICAL				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

Base Score

CVSS 3.x

EPSS Score

Percentile: 69%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
veeam	veeam_backup_\&_replication	𝑥 < 12.3.2	CNA

Common Weakness Enumeration

CWE-502 - Deserialization of Untrusted Data
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

Vulnerability Media Exposure

[ENGLISH] Veeam Backup & Replication RCE Flaw Lets Domain Users Run Remote Code
Veeam has released security patches to address a critical flaw in its Backup & Replication software that could result in remote code execution. Tracked as CVE-2026-44963, the vulnerability carries a CVSS score of 9.4 out of a maximum of 10.0. "A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user," Veeam said in a Tuesday advisory. It
Published: 2026-06-09T22:09:47+05:30
[GERMAN] Veeam Backup & Replication: Schwachstelle ermöglicht Codeausführung
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Veeam Backup & Replication ausnutzen, um beliebigen Programmcode auszuführen.
Published: 2026-06-08T22:00:00+00:00

References

https://www.veeam.com/kb4869