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

Detect and mitigate CVE-2026-0300, a critical vulnerability in Palo Alto Networks PAN-OS User-ID Authentication Portal that allows unauthenticated attackers to achieve remote code execution (RCE) with root privileges.

security

Sources

Vulnerabilities

Why this score
Signals contributing to the severity score
SignalPoints
kev added50
kev short fuse — 3 days to remediate15
public poc — 10 repositories20
widely deployed15