Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 20)

2026-10-20T20:51:32Z•7b75e71d01aa898fe71866ec2d3fe05d7dd6a3ea88e2bdc4a9d6678e9d54518d
CVE-2024-47575CVE-2026-0257CVE-2026-88771CVE-2026-88772FortiGateFortiManagerInc ransomwareKubernetesLinuxNetScalerPAN-OSQilinUnit 42active exploitationcloud securitycredential theftcritical infrastructureedge devicesmacOS malwareransomwaresupply-chain attacksweb shells

What happened

Unit 42 reports active exploitation of PAN-OS CVE-2026-0257 by ransomware operators including Qilin (Spikey Scorpius) and Inc (Tarnished Scorpius). The feed also highlights exploitation of internet-facing edge devices, including FortiGate/FortiManager CVE-2024-47575 and NetScaler CVE-2026-88771/CVE-2026-88772, alongside campaigns involving Linux infrastructure, cloud and Kubernetes environments, supply-chain compromise, credential theft, web shells, and macOS infostealers.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
paloalto_unit42
Record identifier
7b75e71d01aa898fe71866ec2d3fe05d7dd6a3ea88e2bdc4a9d6678e9d54518d
Enrichment time
2026-10-20T20:51:32Z
AI-assisted enrichment
Yes

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