Microsoft Patch Tuesday, August 2025 Edition

Microsoft today released updates to fix more than 100 security flaws in its Windows operating systems and other software. At least 13 of the bugs received Microsoft's most-dire "critical" rating, meaning they could be abused by malware or malcontents to gain remote access to a Windows system with...

Microsoft Releases Guidance on High-Severity Vulnerability (CVE-2025-53786) in Hybrid Exchange Deployments

Update 08/12/2025: CISA has updated this alert to provide clarification on identifying Exchange Servers on an organization’s networks and provided further guidance on running the Microsoft Exchange Health Checker. Update 08/07/2025: CISA issued Emergency Directive ED 25-02: Mitigate Microsoft...

Availability issue fixed in Microsoft Exchange

Due to a bug in the on-premises Microsoft Exchange Server 2016 and 2019, email may not have been sent out anymore. At this time, there is no reason to believe that incoming email has not been accepted. The accepted emails just could not be delivered. The problem could have occurred because of the...

Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

More than a week after Microsoft released a one-click mitigation tool to mitigate cyberattacks targeting on-premises Exchange servers, the company disclosed that patches have been applied to 92% of all internet-facing servers affected by the ProxyLogon vulnerabilities. The development, a 43%...

URGENT — 4 Actively Exploited 0-Day Flaws Found in Microsoft Exchange

Microsoft has released emergency patches to address four previously undisclosed security flaws in Exchange Server that it says are being actively exploited by a new Chinese state-sponsored threat actor with the goal of perpetrating data theft. Describing the attacks as "limited and targeted,"...

WinRM Service cannot process the Request

Challenge When attempting to add an On-Prem or Hybrid organization to Veeam Backup for Office 365 the following error occurs: The WinRM service cannot process the request because the request needs to be sent to a different machine. Use the redirect information to send the request to a new machine...