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Palo Alto Networks Firewalls Exploited Amid AI Security Concerns

Palo Alto Networks Firewalls Exploited Amid AI Security Concerns

First seen 19 Oct 2026, 05:17 UTC • •
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ThreatCluster AI
ThreatCluster •October 19, 2026 at 05:49 UTC
  • •Palo Alto Networks and Cisco products have critical vulnerabilities actively exploited.
  • •CVE-2026-0322 allows attackers root access to affected firewalls.
  • •68% of security leaders lack real-time visibility into their OT networks.

Palo Alto Networks and Cisco products have been identified as vulnerable to active cyberattacks, with critical vulnerabilities added to CISA's Known Exploited Vulnerabilities catalog. The vulnerabilities, including CVE-2026-0322, could allow attackers to gain root privileges on affected systems. Palo Alto Networks confirmed limited exploitation targeting its PAN-OS management interface, which is crucial for firewall administration. The vulnerabilities were disclosed on October 14, 2026, and a patch was released the same day. Security leaders are increasingly worried about AI-driven cyber threats, as highlighted in a recent report by Palo Alto Networks. The report indicated that 68% of critical infrastructure security leaders lack real-time visibility into their operational technology networks, raising concerns about potential impacts from such vulnerabilities.

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Timeline

2026-10-14
Critical vulnerabilities disclosed and patched
CVE-2026-0322 and CVE-2026-76519 were published and patched by Palo Alto Networks.
Thelec
2026-10-14
CISA adds vulnerabilities to KEV catalog
CISA added vulnerabilities affecting Palo Alto firewalls and Cisco appliances to its KEV catalog, confirming active exploitation.
Thelec
2026-10-14
CVE-2026-0322 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-14
CVE-2026-76519 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-15
First public PoC for vulnerabilities
The first public proof-of-concept for CVE-2026-0322 was released, highlighting the exploit's potential.
Technologymagazine

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Common questions

Which products are affected?
Palo Alto Networks PA Series and VM Series firewalls, and Panorama management platform.
What is the nature of the vulnerabilities?
The vulnerabilities allow attackers to gain root privileges through the management interface of PAN-OS.
What actions should organizations take?
Organizations should apply the patches released on October 14 and review their network visibility and security measures.