![]() While they may not lead to functionality changes, the testing profile for each update should be mandatory: Microsoft published several high risk changes in the March update. Given the large number of changes included this month, I have broken down the testing scenarios into high-risk and standard-risk groups. Block TCP 445/SMB outbound from your network by using a perimeter firewall, a local firewall, and via your VPN settings.Įach month, the team at Readiness analyzes the Patch Tuesday updates and provides detailed, actionable testing guidance that guidance is based on assessing a large application portfolio and a detailed analysis of the Microsoft patches and their potential impact on the Windows platforms and application installations.Add users to the Protected Users Security Group, which prevents the use of NTLM as an authentication mechanism.Microsoft has published two mitigations for this serious security issue: CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability. ![]() Enabling HTTP/3 is discussed here: Enabling HTTP/3 support on Windows Server 2022. A prerequisite for a Windows 2022 server to be vulnerable to this security issue is that the network binding has HTTP/3 enabled and the server uses buffered I/O. CVE-2023-23392: HTTP Protocol Stack Remote Code Execution Vulnerability.Microsoft published the following vulnerability related mitigations for this month's release: NET and Visual Studio Remote Code Execution Vulnerability.Īll of these revisions were due to documentation and expanded affected software updates. ![]()
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