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Palo Alto Networks Prisma Browser Alternate Path Protection Flaw Scores 7.8

Last refreshed2026-09-26

Status: UPDATED  |  Advisory ID: CVE-2026-0237

Key Details

CVECVE-2026-0237
CVSS Score / Version7.8 (High) / CVSS v3.1
Updated2026-09-24
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsPalo Alto Networks Prisma Browser
Classified asCWE-424 (Improper Protection of Alternate Path)
Exploitation prediction (EPSS)0.15% probability of exploitation in the next 30 days (3% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Palo Alto NetworksPrisma Browser
SubsystemsGeneral OT
SectorsMultiple

What to Know

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.

What to Do

Monitor Palo Alto Networks's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-0237
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-0237
Vendor advisoryhttps://security.paloaltonetworks.com/CVE-2026-0237