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#Security Vulnerability

CVE-2023-21823: Windows Graphics Component Remote Code Execution Vulnerability

**How do I get the update for a Windows App?** The Microsoft Store will automatically update affected customers. It is possible for customers to disable automatic updates for the Microsoft Store. The Microsoft Store will not automatically install this update for those customers. You can get the update through the store by following this guide: Get updates for apps and games in Microsoft Store. Be sure to select the tab for the operating system installed on your device to search for updates.

Microsoft Security Response Center
#vulnerability#web#windows#microsoft#rce#Microsoft Graphics Component#Security Vulnerability
CVE-2023-21822: Windows Graphics Component Elevation of Privilege Vulnerability

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

CVE-2023-21694: Windows Fax Service Remote Code Execution Vulnerability

**According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to compromise admin credentials on the device.

CVE-2023-21693: Microsoft PostScript Printer Driver Information Disclosure Vulnerability

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited the vulnerability could potentially read small portions of heap memory.

CVE-2023-21691: Microsoft Protected Extensible Authentication Protocol (PEAP) Information Disclosure Vulnerability

**How could an attacker exploit this vulnerability?** An authenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

CVE-2023-21690: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

CVE-2023-21689: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

**According to the CVSS metric, the attack vector is network (AV:N), and privilege required is low (PR:N), and user interaction is none (UI:N). What is the target used in the context of the remote code execution?** The attacker for this vulnerability could target the server accounts in an arbitrary or remote code execution and attempt to trigger malicious code in the context of the server's account through a network call. The attacker needs no privileges nor does the victim user need to perform and action.

CVE-2023-21685: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user into attempting to connect to a malicious SQL server via OLEDB, which could result in the server receiving a malicious networking packet. This could allow the attacker to execute code remotely on the client.

CVE-2023-21692: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

**How could an attacker exploit this vulnerability?** An unauthenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

CVE-2023-21820: Windows Distributed File System (DFS) Remote Code Execution Vulnerability

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** This vulnerability could be triggered when a windows client connects to a malicious remote share.