Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the ...

Microsoft warned Exchange Server customers about critical OWA vulnerability CVE-2026-42897 affecting on-premises deployments.

Microsoft has resolved a known issue that was causing security applications to flag a core Windows component, the company said in a service alert posted this week. The list of affected systems is ...

Microsoft has confirmed that April 2026’s Windows Server security update KB5082063 is causing some enterprise domain controllers in Privileged Access Management setups to enter continuous reboot loops ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) picked up on an ongoing VMware flaw affecting the software’s centralized management utility. CISA added the flaw, designated as ...