CVE-2024-3400: Volexity warns of Zero-day exploitation of Palo Alto device vulnerability in GlobalProtect feature over versions of PAN-OS.

Zero-Day Exploitation of Unauthenticated Remote Code Execution Vulnerability in GlobalProtect (CVE-2024-3400)

Patches are available for the varied versions of PAN-OS

Microsoft Exchange Zero-Day being exploited in the wild.

https://www.bleepingcomputer.com/news/microsoft/microsoft-confirms-new-exchange-zero-days-are-used-in-attacks/

Customer Guidance for Zero-Day
https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/

https://isc.sans.edu/diary/Exchange+Server+0Day+Actively+Exploited/29106/