https://www.microsoft.com/en-us/security/blog/2021/03/02/hafnium-targeting-exchange-servers/
HAFNIUM targeting Exchange Servers with 0-day exploits | Microsoft Security Blog
Jun 24, 2025 - Microsoft has detected multiple 0-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks. In the...
0 day exploitsexchange serversmicrosoft securityhafniumtargeting