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Critical Palo Alto Firewall Vulnerability Enables Attackers to Gain Root Privileges

Divya · 6 hours ago · Read original ↗

ATT&CK techniques detected

3 predictions
T1190Exploit Public-Facing Application
83%
“##matable, allowing threat actors to scan for and compromise vulnerable internet - facing endpoints rapidly. security researchers have confirmed limited exploitation campaigns actively targeting palo alto networks firewalls where the user - id authentication portal remains expose…”
T1190Exploit Public-Facing Application
48%
“critical palo alto firewall vulnerability enables attackers to gain root privileges palo alto networks has issued an urgent security advisory concerning a critical vulnerability affecting its pan - os software. tracked as cve - 2026 - 0300, this high - severity security flaw carr…”
T1068Exploitation for Privilege Escalation
34%
“critical palo alto firewall vulnerability enables attackers to gain root privileges palo alto networks has issued an urgent security advisory concerning a critical vulnerability affecting its pan - os software. tracked as cve - 2026 - 0300, this high - severity security flaw carr…”

Summary

Palo Alto Networks has issued an urgent security advisory concerning a critical vulnerability affecting its PAN-OS software. Tracked as CVE-2026-0300, this high-severity security flaw carries a CVSS 4.0 base score of 9.3 and is currently experiencing limited active exploitation in the wild. The vulnerability allows unauthenticated, remote attackers to execute arbitrary code with full root […]

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