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Critical Buffer Overflow Vulnerability in PAN-OS Exploited in-the-Wild

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vulnerabilities

Critical Buffer Overflow Vulnerability in PAN-OS Exploited in-the-Wild

A critical buffer overflow vulnerability (CVE-2026-0300) in Palo Alto Networks PAN-OS User-ID Authentication Portal enables unauthenticated remote code execution with root privileges and is being exploited in active attacks.

Why it matters: Organizations running vulnerable PAN-OS deployments face immediate compromise risk; security teams must patch or apply mitigations without delay to prevent unauthorized system takeover.

Source published
First seen by Cybersecurity Tracker

Source attribution

Correction

Correction recorded as of .

vulnerabilities

Critical Buffer Overflow Vulnerability in PAN-OS Exploited in-the-Wild

A critical buffer overflow vulnerability (CVE-2026-0300) in Palo Alto Networks PAN-OS User-ID Authentication Portal enables unauthenticated remote code execution with root privileges and is being exploited in active attacks.

Why it matters: Organizations running vulnerable PAN-OS deployments face immediate compromise risk; security teams must patch or apply mitigations without delay to prevent unauthorized system takeover.

VendorsPalo Alto Networks
Source published
First seen by Cybersecurity Tracker

Source attribution

Glossary