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CVE-2026-0246: Prisma Access Agent: Local Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-13 · updated 2026-10-26
• Weakness: CWE-862

Description

A vulnerability with a privilege management mechanism in the Palo Alto Networks Prisma Access Agent® enables a locally authenticated non-administrative user to escalate their privileges to root on macOS and Linux or NT AUTHORITY\SYSTEM on Windows. This allows the user to execute arbitrary code and read sensitive information otherwise accessible only to privileged accounts. The Prisma Access Agent on iOS, Android and Chrome OS are not affected.

Affected products

• Palo Alto Networks Prisma Access Agent: before 26.2.1 — fixed in 26.2.1
• Palo Alto Networks Prisma Access Agent: before 26.2.1 — fixed in 26.2.1

How to fix

Upgrade to a fixed version: Palo Alto Networks Prisma Access Agent 26.2.1; Palo Alto Networks Prisma Access Agent 26.2.1. Check the vendor advisory for mitigations.

References

• https://security.paloaltonetworks.com/CVE-2026-0246

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