Assessment
Why it matters
EPSS is 0.1%; technical severity is CVSS 5.9.
A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma Access Agent app on Linux devices enables a local user to execute code with elevated privileges. This does not impact Prisma Access Agent on Windows, macOS, iOS, Android, or ChromeOS.
Who should care
- Teams operating Prisma Access Agent
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Prisma Access Agent is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Palo Alto Networks Security advisory CVE-2026-0271
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Technical details
- CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:D/RE:M/U:Amber
- CWE
- CWE-732
- Affected versions
- Paloaltonetworks Prisma Access Agent (End Excluding 26.2.1)
- Fixed versions
- Paloaltonetworks Prisma Access Agent (Fixed from 26.2.1)
- Published
- 10 June 2026
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
Signal timeline
- CVE published
- Latest EPSS score: 0.1%
- Signal calculated at 10