Microsoft released ProxyLogon security updates for Microsoft Exchange servers running vulnerable unsupported Cumulative Update versions. On March 2nd, Microsoft has released emergency out-of-band security updates that address four zero-day issues (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, and CVE-2021-27065) in all supported Microsoft Exchange versions that are actively exploited in the wild. Now Microsoft has released security updates for Microsoft Exchange […]