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CVE-2026-0263 PAN-OS: Remote Code Execution (RCE) in IKEv2 Processing (Severity: HIGH)

highCVE-2026-0263

CSIRTS triage

vendor: Palo Alto Networksproduct: PAN-OSRemote code execution
What
A remote code execution vulnerability exists in IKEv2 processing.
Who is affected
Deployments of PAN-OS are affected.
Urgency
Remediation is critical due to the high severity and potential for remote code execution.
Action
Update PAN-OS to the latest version to address the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Palo Alto Networks Security Advisories (INTL · vendor-psirt · site)
Severity
high
Published
2026-05-28
Exploitation
Not in CISA KEV at last sync

Original advisory: https://security.paloaltonetworks.com/CVE-2026-0263

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-0263coverage & exploitation statusNVD · CVE.org

Recent advisories for PAN-OS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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