How severe is CVE-2026-0229?

CVE-2026-0229 has a CVSS 4.0 base score of 6.6, rated medium severity.

Is CVE-2026-0229 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0229?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-0229 have an EU (EUVD) identifier?

Yes. CVE-2026-0229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5938.

When was CVE-2026-0229 published?

CVE-2026-0229 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2026-0229

CVE-2026-0229 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.6. 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-754.

Key facts

Severity: Medium (CVSS 4.0 base score 6.6)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5938
Weakness: CWE-754
Published: 2026-02-11
Last modified: 2026-06-17

Description

A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Cloud NGFW and Prisma Access® are not impacted by this vulnerability.

Frequently asked questions

What is CVE-2026-0229?: A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Cloud NGFW and Prisma Access® are not impacted by this vulnerability.
How severe is CVE-2026-0229?: CVE-2026-0229 has a CVSS 4.0 base score of 6.6, rated medium severity.
Is CVE-2026-0229 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0229?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0229 have an EU (EUVD) identifier?: Yes. CVE-2026-0229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5938.
When was CVE-2026-0229 published?: CVE-2026-0229 was published on 2026-02-11 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2026-0229

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