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CVE-2022-3859

MEDIUM
6.7
CVSS Score
Published: November 30, 2022 at 08:29 AM UTC
Updated: June 17, 2026 at 05:00 AM UTC
1 product affected across 1 vendorAgent

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

An uncontrolled search path vulnerability exists in Trellix Agent (TA) for Windows in versions prior to 5.7.8. This allows an attacker with admin access, which is required to place the DLL in the restricted Windows System folder, to elevate their privileges to System by placing a malicious DLL there.

Affected

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

Agent· McAfee
95%
v < 5.7.85.x ≤ v ≤ 5.7.85.x
Affected range stops below 5.7.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

References (1)

PatchVendor Advisory
Source: [email protected]
https://kcm.trellix.com/corporate/index?page=content&id=SB10391

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMtrellix
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-427

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