Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows

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Summary

CVECVE-2026-0278
StatePUBLISHED
Assignerpalo_alto
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-09 20:16:24 UTC
Updated2026-07-11 05:16:31 UTC
DescriptionMultiple 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.

Risk And Classification

Primary CVSS: v4.0 5.8 MEDIUM from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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:C/RE:H/U:Amber

EPSS: 0.001510000 probability, percentile 0.046720000 (date 2026-07-10)

Problem Types: CWE-693 | CWE-693 CWE-693 Protection Mechanism Failure

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/C...
4.0CNACVSS5.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/A...

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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:C/RE:H/U:Amber

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Palo Alto Networks Prisma Access Agent affected 24.0 26.2.1 custom Windows
CNA Palo Alto Networks Prisma Access Agent unaffected All custom macOS

References

ReferenceSourceLinkTags
security.paloaltonetworks.com/CVE-2026-0278 [email protected] security.paloaltonetworks.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Daniel Cuthbert and Vladislav Ovitchinikov from Banco Santander (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-08T16:00:00.000ZInitial Publication

Solutions

CNA: Version Minor Version Suggested Solution Prisma Access Agent on Windows 24.0 through 26.2 Upgrade to 26.2.1 or later. Prisma Access Agent on macOS No action needed.

Workarounds

CNA: No known workarounds exist for this issue.

Exploits

CNA: Palo Alto Networks is not aware of any malicious exploitation of this issue.

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