CVE-2022-26503

HIGH
7.8
CVSS Score
Published: March 17, 2022 at 04:11 PM UTC
Updated: June 17, 2026 at 04:35 AM UTC
1 product affected across 1 vendorVeeam· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 0.7%

Description

Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0.0 ≤ v < 4.0.2.22085.0.0 ≤ v < 5.0.3.47082.02.12.23.0.2
Affected range stops below 4.0.2.2208, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.0.3.4708, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCVendor Advisory
https://veeam.com
x_refsource_MISCVendor Advisory
https://www.veeam.com/kb4289

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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