Windows Devices Human Interface Elevation of Privilege Vulnerability

Windows Push Notifications Apps Elevation of Privilege Vulnerability

Windows System Launcher Elevation of Privilege Vulnerability

Windows UI Immersive Server API Elevation of Privilege Vulnerability

Windows Application Model Core API Elevation of Privilege Vulnerability

Windows AppContracts API Server Elevation of Privilege Vulnerability

Windows Accounts Control Elevation of Privilege Vulnerability

Active Directory Domain Services Elevation of Privilege Vulnerability

Remote Desktop Client Remote Code Execution Vulnerability

Remote Desktop Client Remote Code Execution Vulnerability

Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

<p>We have investigated reports of a spoofing vulnerability in AppX installer that affects Microsoft Windows. Microsoft is aware of attacks that attempt to exploit this vulnerability by using specially crafted packages that include the malware family known as Emotet/Trickbot/Bazaloader.</p> <p>An attacker could craft a malicious attachment to be used in phishing campaigns. The attacker would then have to convince the user to open the specially crafted attachment. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p> <p>Please see the <strong>Security Updates</strong> table for the link to the updated app. Alternatively you can download and install the Installer using the links provided in the <strong>FAQ</strong> section.</p> <p>Please see the <strong>Mitigations</strong> and <strong>Workaround</strong> sections for important information about steps you can take to protect your system from this vulnerability.</p> <p><strong>December 27 2023 Update:</strong></p> <p>In recent months, Microsoft Threat Intelligence has seen an increase in activity from threat actors leveraging social engineering and phishing techniques to target Windows OS users and utilizing the <a href="https://learn.microsoft.com/en-us/windows/msix/app-installer/installing-windows10-apps-web">ms-appinstaller URI scheme</a>.</p> <p>To address this increase in activity, we have updated the App Installer to disable the ms-appinstaller protocol by default and recommend other potential mitigations.</p>

Windows Installer Elevation of Privilege Vulnerability

Windows Digital Media Receiver Elevation of Privilege Vulnerability

Windows Remote Access Elevation of Privilege Vulnerability

Microsoft Message Queuing Information Disclosure Vulnerability

Storage Spaces Controller Information Disclosure Vulnerability

Windows Fax Service Remote Code Execution Vulnerability