CVE-2026-42897: Microsoft Exchange Server spoofing vulnerability, 8.1 rating 🔥

New spoofing vulnerability in on-premise Microsoft Exchange Server hits OWA and allows an unauthorized attacker to execute malicious code by sending a specially crafted email to a user. This vulnerability is already being actively exploited in the wild!

Search at Netlas.io:
👉 Link: https://nt.ls/64QAo
👉 Dork: tag.name:"microsoft_exchange"

Vendor's advisory:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42897