Editor’s Note: Story updated 2:55 p.m. Eastern with information from Volexity. Cybersecurity giant Palo Alto Networks is alerting customers that a zero-day vulnerability in its firewall tool is being exploited by hackers. The company released an advisory on Friday morning about CVE-2024-3400 — a vulnerability in the popular GlobalProtect VPN product. The bug carries the highest severity score possible of 10. Palo Alto Networks said that it “is aware of a limited number of attacks that leverag...