“palo alto networks to patch zero - day exploited to hack firewalls palo alto networks is working on patches for a critical pan - os zero - day that has been exploited to hack some of the company ’ s firewall models. tracked as cve - 2026 - 0300, the vulnerability has been describ…”
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T1588.006Vulnerabilities
64%
“second round of fixes estimated for may 28. the cybersecurity giant noted that the flaw affects only pa and vm series firewalls configured to use the user - id authentication portal. limiting access to the portal to trusted internal ips significantly reduces the risk of exploitat…”
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T1190Exploit Public-Facing Application
57%
“second round of fixes estimated for may 28. the cybersecurity giant noted that the flaw affects only pa and vm series firewalls configured to use the user - id authentication portal. limiting access to the portal to trusted internal ips significantly reduces the risk of exploitat…”
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T1588.006Vulnerabilities
43%
“palo alto networks to patch zero - day exploited to hack firewalls palo alto networks is working on patches for a critical pan - os zero - day that has been exploited to hack some of the company ’ s firewall models. tracked as cve - 2026 - 0300, the vulnerability has been describ…”
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Summary
CVE-2026-0300 affects the Captive Portal service of PAN-OS software on PA and VM series firewalls.