Microsoft Exchange Y2K22 email delivery failure
“The problem relates to a date check failure with the change of the new year and it not a failure of the AV engine itself,” according to the Microsoft Exchange Team.
Microsoft Exchange Server Vulnerabilities On-Premises & Hybrid
Microsoft released patches and fixes during this week’s November Patch Tuesday. The report identified 55 vulnerabilities on Microsoft Windows, including on-premises (locally installed) products such as Microsoft Office (Microsoft Excel), Microsoft Edge browser and – most importantly – Microsoft Exchange.
What to know about HAFNIUM Targeting Exchange Servers with 0-day exploits
On March 2, 2021, Microsoft released patches for multiple different on-premises Microsoft Exchange Server zero-day vulnerabilities. Read more.