Organisations using on-premises versions of Microsoft Exchange Server are at risk of targeted attacks exploiting three newly-disclosed zero-day exploits, which are already being taken advantage of by ...

Microsoft has released updates to address four previously unknown or 'zero-day' vulnerabilities in Exchange Server that were being used in limited targeted attacks, according to Microsoft. Microsoft ...

Microsoft is warning customers that a new China state-sponsored threat actor is exploiting four previously undisclosed security flaws in Exchange Server, an enterprise email product built by the ...

Microsoft has released patches for four critical vulnerabilities being used to target on-premises versions of Microsoft Exchange Server in "limited and targeted" attacks. It attributes the activity to ...