CVE-2026-56844

Severity CVSS v4.0:

HIGH

Type:

CWE-22 Path Traversal

Publication date:

22/07/2026

Last modified:

22/07/2026

Description

A vulnerability in the Veeam Updater component of the Veeam Software Appliance that could allow a local user to elevate their privileges and gain root-level access to the underlying operating system.

Impact

Vector 4.0

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 8.40 HIGH
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

8.40

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

https://www.veeam.com/kb4879