How severe is CVE-2026-0237?

CVE-2026-0237 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

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.

What products are affected by CVE-2026-0237?

CVE-2026-0237 affects Paloaltonetworks Prisma Browser. See the affected-products list for the exact vulnerable versions.

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 2026-07-14.

CVE-2026-0237

CVE-2026-0237 is a high-severity vulnerability in Paloaltonetworks Prisma Browser with a CVSS 3.x base score of 7.8. 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 3.x base score 7.8)
CVSS v4: 7.3
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30062
Weakness: CWE-424
Affected product: Paloaltonetworks Prisma Browser
Published: 2026-05-13
Last modified: 2026-07-14

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 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
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.
What products are affected by CVE-2026-0237?: CVE-2026-0237 affects Paloaltonetworks Prisma Browser. See the affected-products list for the exact vulnerable versions.
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 2026-07-14.

References

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

Affected products (1)

cpe:2.3:a:paloaltonetworks:prisma_browser:*:*:*:*:desktop:-:*:*

More vulnerabilities in Paloaltonetworks Prisma Browser

CVE-2026-0236 — High (CVSS 7.8): A code injection vulnerability in Palo Alto Networks Prisma® Browser on macOS fails to properly restrict access to its…
CVE-2026-0275 — Medium (CVSS 6.7): A local privilege escalation vulnerability in Palo Alto Networks Prisma® Browser allows a locally authenticated…
CVE-2026-0235 — Medium (CVSS 4.7): A race condition vulnerability in Palo Alto Networks Prisma® Browser enables a locally authenticated non-admin user to…

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