What is CVE-2026-0237?

CVE-2026-0237 is a high-severity vulnerability in Apple macOS, classified under CWE-424. CVSS score: 7.8/10. Published 2026-05-13.

How severe is CVE-2026-0237?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple macOS

CVE-2026-0237

An improper protection of alternate path vulnerability in Palo Alto Networks Prisma® Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls.

EPSS: 0.002 (4.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos
Palo Alto Networks Prisma Browser — versions 0
Paloaltonetworks Prisma_browser

Weakness classification (CWE)

CWE-424

References

psirt@paloaltonetworks.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-0237?: CVE-2026-0237 is a high-severity vulnerability in Apple macOS, classified under CWE-424. CVSS score: 7.8/10. Published 2026-05-13.
How severe is CVE-2026-0237?: High severity. CVSS v3 base score is 7.8 out of 10.