CRITICALVulnerability
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Palo Alto PAN-OS Flaw Under Active Exploitation Enables Remote Code Execution

·Source: The Hacker News

Updated:

Executive Summary

Palo Alto Networks has released an advisory warning that a critical buffer overflow vulnerability in its PAN-OS software has been exploited in the wild. The vulnerability, tracked as CVE-2026-0300, has been described as a case of unauthenticated remote code execution. It carries a CVSS score of 9.3 if the User-ID Authentication Portal is configured to enable access from the internet or any

Analysis

Palo Alto Networks has released an advisory warning that a critical buffer overflow vulnerability in its PAN-OS software has been exploited in the wild. The vulnerability, tracked as CVE-2026-0300, has been described as a case of unauthenticated remote code execution. It carries a CVSS score of 9.3 if the User-ID Authentication Portal is configured to enable access from the internet or any

Indicators of Compromise (1)

CVE (1)
CVE-2026-0300
NVDMITRE CVE
Source Attribution

Originally published by The Hacker News on May 6, 2026.

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