CVE-2025-14963 - Trellix HX Agent Local Privilege Escalation (LSE) Vulnerability

CVE-2025-14963 - Trellix HX Agent Local Privilege Escalation (LSE) Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Tue, 02/24/2026 - 20:03
CVE ID : CVE-2025-14963
Published : Feb. 24, 2026, 5:11 p.m. | 1 hour, 13 minutes ago
Description : A vulnerability identified in the Trellix 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; a driver file associated with Trellix HX Agent (used in all existing HX Agent versions).   The vulnerable driver installed in a product or a system running 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: 6.2 | MEDIUM
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.