CVE-2026-0233

LOWNVD 2.0

2.0

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.

CVSS v3: 2.0
EG Score: 0.0(none)
EPSS: 5.6%
KEV: Not listed

Published

April 13, 2026

Last Modified

April 13, 2026

References (1)

psirt@paloaltonetworkshttps://security.paloaltonetworks.com/CVE-2026-0233

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-295Improper Certificate Validation

Data Freshness Timeline

(refreshed 19× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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2026-05-24 16:58 UTCepss_batch

Frequently asked(5)

What is CVE-2026-0233?

CVE-2026-0233 is a low vulnerability published on April 13, 2026. 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.

When was CVE-2026-0233 disclosed?

CVE-2026-0233 was first published in the National Vulnerability Database on April 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-0233 actively exploited?

CVE-2026-0233 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-0233?

CVE-2026-0233 has a CVSS v3 base score of 2.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-0233?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0233, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-0233

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-0233?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)