How severe is CVE-2026-0278?

CVE-2026-0278 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0278 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0278?

CVE-2026-0278 affects Paloaltonetworks Prisma Access Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0278?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-0278 published?

CVE-2026-0278 was published on 2026-07-09 and last updated on 2026-07-16.

CVE-2026-0278

CVE-2026-0278 is a high-severity vulnerability in Paloaltonetworks Prisma Access Agent with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 5.8
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-693
Affected product: Paloaltonetworks Prisma Access Agent
Published: 2026-07-09
Last modified: 2026-07-16

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.

Frequently asked questions

What is CVE-2026-0278?: 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 severe is CVE-2026-0278?: CVE-2026-0278 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0278 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0278?: CVE-2026-0278 affects Paloaltonetworks Prisma Access Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0278?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-0278 published?: CVE-2026-0278 was published on 2026-07-09 and last updated on 2026-07-16.

References

https://security.paloaltonetworks.com/CVE-2026-0278

Affected products (1)

cpe:2.3:a:paloaltonetworks:prisma_access_agent:*:*:*:*:*:*:*:*

More vulnerabilities in Paloaltonetworks Prisma Access Agent

CVE-2026-0271 — High (CVSS 7.8): A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma Access Agent app on Linux devices enables a…
CVE-2026-0247 — High (CVSS 7.8): Multiple authorization bypass vulnerabilities in the Endpoint DLP component of Prisma Access Agent® allow a local…
CVE-2026-0246 — High (CVSS 7.8): A vulnerability with a privilege management mechanism in the Palo Alto Networks Prisma Access Agent® enables a locally…
CVE-2026-0277 — Medium (CVSS 5.9): An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a…
CVE-2026-0248 — Medium (CVSS 5.9): An improper certificate validation vulnerability in the Prisma Access Agent® for Android and Chrome OS enables an…
CVE-2026-0245 — Medium (CVSS 5.5): Multiple information disclosure vulnerabilities in Prisma Access Agent® allow a local user to access sensitive…

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