CVE-2026-0227

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 21.0%
KEV: Not listed

Published

January 15, 2026

Last Modified

February 6, 2026

References (1)

psirt@paloaltonetworkshttps://security.paloaltonetworks.com/CVE-2026-0227

Weakness Classification(1)

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

CWE-754

Data Freshness Timeline

(refreshed 14× in last 7d / 14× 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.

2026-06-02 20:13 UTCepss_batch
2026-06-02 20:13 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 15:50 UTCEG score recompute
2026-05-29 15:50 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2026-0227?

CVE-2026-0227 is a high vulnerability published on January 15, 2026. A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.

When was CVE-2026-0227 disclosed?

CVE-2026-0227 was first published in the National Vulnerability Database on January 15, 2026, with the most recent update on February 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-0227 actively exploited?

CVE-2026-0227 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-0227?

CVE-2026-0227 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-0227?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0227, 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-2026-0227

📅 Published

🔄 Last Modified

🔗 References (1)