CVE & CISA-KEV Catalog

CVE-2026-0269

MEDIUM
5.7
CVSS v3
NVD

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.

How to fix

Remediation Available
pan-osNVD
Affected:>= 11.2.0, < 11.2.4Fixed in:11.2.4CVE-2026-0269derived from NVD
Affected:>= 10.2.0, < 10.2.7Fixed in:10.2.7CVE-2026-0269derived from NVD
Affected:>= 11.1.0, < 11.1.4Fixed in:11.1.4CVE-2026-0269derived from NVD
Affected:>= 10.2.14, < 10.2.16Fixed in:10.2.16CVE-2026-0269derived from NVD
Affected:>= 11.2.8, < 11.2.10Fixed in:11.2.10CVE-2026-0269derived from NVD
Affected:>= 11.1.5, < 11.1.6Fixed in:11.1.6CVE-2026-0269derived from NVD
Affected:>= 12.1.0, < 12.1.4Fixed in:12.1.4CVE-2026-0269derived from NVD
Affected:>= 11.2.5, < 11.2.7Fixed in:11.2.7CVE-2026-0269derived from NVD

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.22%probability of exploitation in 30 days
13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Related Vulnerabilities

Other CWE-754 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-4367High8.871%-Fix
CVE-2022-39288High7.559%-Fix
CVE-2023-30591High7.554%--
CVE-2023-41993High8.829%KEVFix
CVE-2024-43044High8.829%-Fix
CVE-2024-3393High7.529%KEVFix

Common questions

How do I fix CVE-2026-0269?

Upgrade pan-os to 11.2.4 or later.

Is CVE-2026-0269 being actively exploited?

Not that we know of. CVE-2026-0269 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.22% is the estimated probability that it will be exploited in the next 30 days. That is higher than 13% of all scored CVEs.

How severe is CVE-2026-0269?

CVE-2026-0269 has a CVSS v3 base score of 5.7, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-0269 affect?

Published advisories record a fix for pan-os (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.