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#Security Vulnerability

CVE-2021-41342: Windows MSHTML Platform Remote Code Execution Vulnerability

*The Security Updates table indicates that this vulnerability affects all supported versions of Microsoft Windows. Why are IE Cumulative updates listed for Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8.1, and Windows Server 2012 R2?* While Microsoft has announced retirement of the Internet Explorer 11 application on certain platforms and the Microsoft Edge Legacy application is deprecated, the underlying MSHTML, EdgeHTML, and scripting platforms are still supported. The MSHTML platform is used by Internet Explorer mode in Microsoft Edge as well as other applications through WebBrowser control. The EdgeHTML platform is used by WebView and some UWP applications. The scripting platforms are used by MSHTML and EdgeHTML but can also be used by other legacy applications. Updates to address vulnerabilities in the MSHTML platform and scripting engine are included in the IE Cumulative Updates; EdgeHTML and Chakra changes are not applicable to those plat...

Microsoft Security Response Center
#Windows MSHTML Platform#Security Vulnerability#vulnerability#web#windows#microsoft
CVE-2021-41340: Windows Graphics Component Remote Code Execution Vulnerability

*According to the CVSS, User Interaction is Required. What interaction would the user have to do?* Exploitation of the vulnerability requires that a user open a specially crafted file. * In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. * In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

CVE-2021-41337: Active Directory Security Feature Bypass Vulnerability

*What security feature could be bypassed by exploiting this vulnerability?* This vulnerability could allow an attacker to bypass Active Directory domain permissions for Key Admins groups.

CVE-2021-41336: Windows Kernel Information Disclosure Vulnerability

*What type of information could be disclosed by this vulnerability?* The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the contents of Kernel memory. An attacker could read the contents of Kernel memory from a user mode process.

CVE-2021-41332: Windows Print Spooler Information Disclosure Vulnerability

*What type of information could be disclosed by this vulnerability?* The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory.

CVE-2021-26441: Storage Spaces Controller Elevation of Privilege Vulnerability

*How could an attacker exploit this vulnerability?* An authorized (medium integrity level) attacker could exploit this Windows Storport driver elevation of privilege vulnerability by locally sending through a user mode application a specially crafted request to the driver specifying an IOCTL parameter, which could lead to an out-of-bounds buffer write.

CVE-2021-40489: Storage Spaces Controller Elevation of Privilege Vulnerability

*How could an attacker exploit this vulnerability?* An authorized (medium integrity level) attacker could exploit this Windows Storport driver elevation of privilege vulnerability by locally sending through a user mode application a specially crafted request to the driver specifying an IOCTL parameter, which could lead to an out-of-bounds buffer write.

CVE-2021-37980: Chromium: CVE-2021-37980 Inappropriate implementation in Sandbox

*What is the version information for this release?* Microsoft Edge Version Date Released Based on Chromium Version 94.0.992.47 10/11/2021 94.0.4606.71

CVE-2021-37979: Chromium: CVE-2021-37979 Heap buffer overflow in WebRTC

*What is the version information for this release?* Microsoft Edge Version Date Released Based on Chromium Version 94.0.992.47 10/11/2021 94.0.4606.71

CVE-2021-37978: Chromium: CVE-2021-37978 Heap buffer overflow in Blink

*What is the version information for this release?* Microsoft Edge Version Date Released Based on Chromium Version 94.0.992.47 10/11/2021 94.0.4606.71