Microsoft has released emergency out-of-band security updates for all supported Microsoft Exchange versions that fix four zero-day vulnerabilities actively exploited in targeted attacks. These four ...

Microsoft provided a brief update on Tuesday of its Exchange Server roadmap, including the news that Exchange Server Subscription Edition (SE) will be arriving in the third quarter of 2025. Once ...

Up to 97,000 Microsoft Exchange servers may be vulnerable to a critical severity privilege escalation flaw tracked as CVE-2024-21410 that hackers are actively exploiting. Microsoft addressed the issue ...

Parts of the federal enterprise are likely susceptible to the flaw that allows hackers to hijack on-premises versions of Active Directory. CISA plans to release an emergency directive on Thursday, ...