U.S. CISA adds Palo Alto Networks PAN-OS flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Palo Alto Networks PAN-OS flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Palo Alto Networks PAN-OS flaw, tracked as CVE-2026-0257 (CVSS score of 7.8), to its Known Exploited Vulnerabilities (KEV) catalog. Palo Alto Networks addressed the vulnerability CVE-2026-0257 on May […]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Palo Alto Networks PAN-OS flaw, tracked as CVE-2026-0257 (CVSS score of 7.8), to its Known Exploited Vulnerabilities (KEV) catalog.
Palo Alto Networks addressed the vulnerability CVE-2026-0257 on May 13. Two weeks later, cybersecurity firm Rapid7 confirmed active exploitation across multiple customer environments.
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