How severe is CVE-2026-0237?

CVE-2026-0237 has a CVSS 4.0 base score of 7.3, rated high severity.

Is CVE-2026-0237 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0237?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0237 have an EU (EUVD) identifier?

Yes. CVE-2026-0237 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30062.

When was CVE-2026-0237 published?

CVE-2026-0237 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-0237

CVE-2026-0237 is a high-severity vulnerability with a CVSS 4.0 base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-424.

Key facts

Severity: High (CVSS 4.0 base score 7.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30062
Weakness: CWE-424
Published: 2026-05-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-0237?: CVE-2026-0237 has a CVSS 4.0 base score of 7.3, rated high severity.
Is CVE-2026-0237 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0237?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0237 have an EU (EUVD) identifier?: Yes. CVE-2026-0237 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30062.
When was CVE-2026-0237 published?: CVE-2026-0237 was published on 2026-05-13 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2026-0237

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