"Microsoft Warns of Exploited Exchange Server Zero-Day"
"Microsoft Warns of Exploited Exchange Server Zero-Day"
Microsoft recently warned that a newly addressed vulnerability in Exchange Server has been actively exploited in attacks. Tracked as CVE-2024-21410 (CVSS score of 9.8), the critical severity flaw is described as a privilege escalation issue that allows attackers to mount pass-the-hash attacks. According to Microsoft, an attacker could exploit the bug to relay a user's Net-NTLMv2 hash against a vulnerable server and authenticate as that user.