How severe is CVE-2026-0233?

CVE-2026-0233 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0233?

CVE-2026-0233 affects Paloaltonetworks Autonomous Digital Experience Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0233?

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.

Does CVE-2026-0233 have an EU (EUVD) identifier?

Yes. CVE-2026-0233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21898.

When was CVE-2026-0233 published?

CVE-2026-0233 was published on 2026-04-13 and last updated on 2026-07-07.

CVE-2026-0233

CVE-2026-0233 is a high-severity vulnerability in Paloaltonetworks Autonomous Digital Experience Manager with a CVSS 3.x base score of 8.8. 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-295.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 2.0
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21898
Weakness: CWE-295
Affected product: Paloaltonetworks Autonomous Digital Experience Manager
Published: 2026-04-13
Last modified: 2026-07-07

Description

A certificate validation vulnerability in Palo Alto Networks Autonomous Digital Experience Manager on Windows allows an unauthenticated attacker with adjacent network access to execute arbitrary code with NT AUTHORITY\SYSTEM privileges.

Frequently asked questions

What is CVE-2026-0233?: A certificate validation vulnerability in Palo Alto Networks Autonomous Digital Experience Manager on Windows allows an unauthenticated attacker with adjacent network access to execute arbitrary code with NT AUTHORITY\SYSTEM privileges.
How severe is CVE-2026-0233?: CVE-2026-0233 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0233?: CVE-2026-0233 affects Paloaltonetworks Autonomous Digital Experience Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0233?: 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.
Does CVE-2026-0233 have an EU (EUVD) identifier?: Yes. CVE-2026-0233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21898.
When was CVE-2026-0233 published?: CVE-2026-0233 was published on 2026-04-13 and last updated on 2026-07-07.

References

https://security.paloaltonetworks.com/CVE-2026-0233

Affected products (1)

cpe:2.3:a:paloaltonetworks:autonomous_digital_experience_manager:*:*:*:*:*:*:*:*

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