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PatchSiren cyber security CVE debrief

CVE-2026-0278 Palo Alto Networks CVE debrief

CVE-2026-0278 is a MEDIUM severity vulnerability in the Prisma Access Agent Data Loss Prevention (DLP) component for Windows. Multiple protection mechanism failures allow a local user to bypass DLP policy enforcement controls. The vulnerability has a CVSS score of 5.8. The Prisma Access Agent on macOS is not affected. Organizations should review their deployments and prioritize patching to prevent local users from bypassing DLP policy enforcement controls.

Vendor
Palo Alto Networks
Product
Prisma Access Agent
CVSS
MEDIUM 5.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-09
Original CVE updated
2026-07-10
Advisory published
2026-07-09
Advisory updated
2026-07-10

Who should care

Organizations using Prisma Access Agent Data Loss Prevention (DLP) for Windows should prioritize patching to prevent local users from bypassing DLP policy enforcement controls. Security teams should review their deployments and assign an owner for follow-up.

Technical summary

The Prisma Access Agent Data Loss Prevention (DLP) component for Windows has multiple protection mechanism failures, allowing a local user to bypass DLP policy enforcement controls. The vulnerability has a CVSS score of 5.8 and a severity of MEDIUM. The Prisma Access Agent on macOS is not affected. Defenders should verify DLP policy enforcement controls are in place and functioning correctly.

Defensive priority

Patching is recommended to prevent exploitation. Verify DLP policy enforcement controls are in place and functioning correctly. Monitor for suspicious local user activity.

Recommended defensive actions

  • Apply the vendor-provided patch
  • Verify DLP policy enforcement controls are in place and functioning correctly
  • Monitor for suspicious local user activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-09T20:16:24.983Z and was last modified on 2026-07-10T15:16:35.667Z. The NVD entry is currently Received. There is limited information available about the vulnerability, and defenders should verify the affected scope and vendor guidance. The Prisma Access Agent on macOS is not affected.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-09T20:16:24.983Z and has not been modified since then. The NVD entry is currently Received.