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2 vulnerabilities found for Endpoint HX Agent (xAgent) by Trellix
CVE-2025-14963 (GCVE-0-2025-14963)
Vulnerability from nvd – Published: 2026-02-24 17:11 – Updated: 2026-02-26 14:44
VLAI
EPSS
VEX
Summary
A vulnerability identified in the HX Agent driver file fekern.sys allowed a threat actor with local user access the ability to gain elevated system privileges. Utilization of a Bring Your Own Vulnerable Driver (BYOVD) was leveraged to gain access to the critical Windows process memory lsass.exe (Local Security Authority Subsystem Service). The fekern.sys is a driver file associated with the HX Agent (used in all existing HX Agent versions). The vulnerable driver installed in a product or a system running a fully functional HX Agent is, itself, not exploitable as the product’s tamper protection restricts the ability to communicate with the driver to only the Agent’s processes.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Trellix | Endpoint HX Agent (xAgent) |
Affected:
36.30.0-17, 35.31.0-37, 34.x, 33.x and 30.x
|
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CVE-2025-14963 (GCVE-0-2025-14963)
Vulnerability from cvelistv5 – Published: 2026-02-24 17:11 – Updated: 2026-02-26 14:44
VLAI
EPSS
VEX
Summary
A vulnerability identified in the HX Agent driver file fekern.sys allowed a threat actor with local user access the ability to gain elevated system privileges. Utilization of a Bring Your Own Vulnerable Driver (BYOVD) was leveraged to gain access to the critical Windows process memory lsass.exe (Local Security Authority Subsystem Service). The fekern.sys is a driver file associated with the HX Agent (used in all existing HX Agent versions). The vulnerable driver installed in a product or a system running a fully functional HX Agent is, itself, not exploitable as the product’s tamper protection restricts the ability to communicate with the driver to only the Agent’s processes.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Trellix | Endpoint HX Agent (xAgent) |
Affected:
36.30.0-17, 35.31.0-37, 34.x, 33.x and 30.x
|
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