Is CVE-2026-17523 actively exploited?

No active exploitation of CVE-2026-17523 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-17523 be exploited remotely?

No. CVE-2026-17523 requires local access to exploit.

What is the CVSS score of CVE-2026-17523?

CVE-2026-17523 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2026-17523

HIGH

CVE-2026-17523

CWE-825Published: July 27, 2026· Updated: Jul 29, 2026

7.8

CVSS v3.1

EPSS:0.12%probability of exploitation in 30 daysPercentile:2.1th

Official Description

A flaw was found in the Linux kernel in net/can/bcm.c in can: bcm, where an unprivileged local user can exploit this vulnerability to execute arbitrary code within the kernel, which leads to a local privilege escalation (LPE). This allows the attacker to gain root privileges and take full control of the affected system.

NVD Source

Technical Analysis

CVE-2026-17523 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.