Trellix xAgent permission bypass vulnerability

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Summary

CVECVE-2022-4326
StatePUBLISHED
Assignertrellix
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-16 16:15:25 UTC
Updated2026-11-09 18:35:59 UTC
DescriptionImproper preservation of permissions vulnerability in Trellix Endpoint Agent (xAgent) prior to V35.31.22 on Windows allows a local user with administrator privileges to bypass the product protection to uninstall the agent via incorrectly applied permissions in the removal protection functionality.

Risk And Classification

Primary CVSS: v3.1 6 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

EPSS: 0.002300000 probability, percentile 0.138800000 (date 2026-11-09)

Problem Types: CWE-281 | CWE-281 CWE-281 Improper Preservation of Permissions

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:N/A:H
3.1CNACVSS5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows - All All All
Application Trellix Endpoint Security Agent All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Trellix XAgent affected V35.31.22 custom Windows

References

ReferenceSourceLinkTags
Product Documentation | Trellix af854a3a-2127-422b-91ae-364da2661108 docs.trellix.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Matt DePaepe (en)

CNA: Matt Espy (en)

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