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CVE-2026-0278: Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-09 · updated 2026-10-25
• Weakness: CWE-693

Description

Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) component for Windows allow a local user to bypass DLP policy enforcement controls. The Prisma Access Agent on macOS is 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: from 24.0 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-2026-0278

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