How severe is CVE-2026-0269?

CVE-2026-0269 has a CVSS 4.0 base score of 4.6, rated medium severity.

Is CVE-2026-0269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0269?

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

Does CVE-2026-0269 have an EU (EUVD) identifier?

Yes. CVE-2026-0269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36145.

When was CVE-2026-0269 published?

CVE-2026-0269 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-0269

CVE-2026-0269 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.6. 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 4.6)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36145
Weakness: CWE-754
Published: 2026-06-10
Last modified: 2026-06-17

Description

A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

Frequently asked questions

What is CVE-2026-0269?: A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
How severe is CVE-2026-0269?: CVE-2026-0269 has a CVSS 4.0 base score of 4.6, rated medium severity.
Is CVE-2026-0269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0269 have an EU (EUVD) identifier?: Yes. CVE-2026-0269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36145.
When was CVE-2026-0269 published?: CVE-2026-0269 was published on 2026-06-10 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2026-0269

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