CVE-2026-0278: Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) component for Win

Q: How do I fix CVE-2026-0278?

prisma access agent: upgrade to 26.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-0278 being exploited?

CVE-2026-0278 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-0278 affect?

CVE-2026-0278 affects prisma access agent. Severity is high (CVSS 7.8). 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.

Routine

HIGH 7.8UPGRADE

CVE-2026-0278 is a high-severity flaw (CVSS 7.8) affecting prisma access agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-693
Published	2026-07-09
Last modified	2026-10-25

Publisher (CNA): Palo Alto Networks, Inc. · Vendor: paloaltonetworks

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-09 20:16 UTCPublished CVE record published
2026-10-25 17:10 UTCUpdated Record last modified

paloaltonetworks prisma access agent UPGRADE

Affected: < 26.2.1

Fixed in: 26.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy prisma-access-agent || rpm -q prisma-access-agent || prisma-access-agent --version

2. UPGRADE to 26.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade prisma-access-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade prisma-access-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-0278?

prisma access agent: upgrade to 26.2.1. Exact commands for each OS are on this page.

Is CVE-2026-0278 being exploited?

CVE-2026-0278 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-0278 affect?

CVE-2026-0278 affects prisma access agent. Severity is high (CVSS 7.8). 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.

How urgent is CVE-2026-0278?

Priority 28/100. High severity

Software pages

Windows vulnerabilities · macOS vulnerabilities

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References

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