Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 19)

Reported by Palo Alto Networks Unit 42 (Andy Piazza and Unit 42)

Summary by Cyber Security News20 Oct 2026, 00:35 CET

About this summary. This is a short excerpt from the description that Palo Alto Networks Unit 42 published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://unit42.paloaltonetworks.com/active-exploitation-of-pan-os-cve-2026-0257/

Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 19) — Image: Palo Alto Networks Unit 42

We include indicators of activity and mitigations for PAN-OS vulnerability CVE-2026-0257.

Read the full article at Palo Alto Networks Unit 42 →

Source attribution: headline and facts are from Palo Alto Networks Unit 42 (unit42.paloaltonetworks.com). Summary method: excerpt of the source description. See our source attribution policy.