Is CVE-2026-23599 actively exploited?

No active exploitation of CVE-2026-23599 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-23599 be exploited remotely?

No. CVE-2026-23599 requires local access to exploit.

What is the CVSS score of CVE-2026-23599?

CVE-2026-23599 has a CVSS score of 7.8 (HIGH) and an EPSS exploitation probability of 0.01%.

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HIGH

CVE-2026-23599

CWE-269Published: February 18, 2026· Updated: Feb 18, 2026

7.8

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.5th

Official Description

A local privilege-escalation vulnerability has been discovered in the HPE Aruba Networking ClearPass OnGuard Software for Linux. Successful exploitation of this vulnerability could allow a local attacker to achieve arbitrary code execution with root privileges.

NVD Source

Technical Analysis

CVE-2026-23599 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.