A critical zero-day vulnerability in Palo Alto Networks firewalls is actively being exploited by suspected state-sponsored hackers, giving attackers complete, unauthenticated control over enterprise firewall infrastructure before most organizations even knew the flaw existed. The vulnerability, tracked as CVE-2026-0300 with a CVSS score of 9.3, was weaponized as early as April 9, 2026, nearly a […]
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