✉news TechnologyCybersecurity first seen 18 h ago, last 4 h ago, peak #7

Palo Alto Networks warns of active PAN-OS vulnerability exploitation

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

Palo Alto Networks' threat intelligence unit is warning that a vulnerability in its PAN-OS operating system, tracked as CVE-2026-0257, is being actively exploited in the wild. The advisory, updated October 19, urges firewall administrators to review affected versions and apply available patches, as exploited PAN-OS flaws are often used to breach enterprise networks.

Why now: Active exploitation of firewall software is urgent news for security teams worldwide patching their networks.

Palo Alto NetworksUnit 42PAN-OSCVE-2026-0257

Open on news →

Rank over time, top of the chart is #1. 11 snapshots from 18 h ago to 4 h ago.

Evidence

• Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 19) · Unit 42

API: https://socialmediatrends-api.osmike.com/v1/trends/2936986