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ARTICLE ADToday is Microsoft's March 2023 Patch Tuesday, and security updates fix two actively exploited zero-day vulnerabilities and a total of 83 flaws.
Nine vulnerabilities have been classified as 'Critical' for allowing remote code execution, denial of service, or elevation of privileges attacks.
This count does not include twenty-one Microsoft Edge vulnerabilities fixed yesterday.
This month's Patch Tuesday fixes two zero-day vulnerabilities actively exploited in attacks.
Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix available.
The two actively exploited zero-day vulnerabilities fixed in today's updates are:
Microsoft has fixed a Microsoft Outlook privilege elevation bug that allows specially crafted emails to force a target's device to connect to a remote URL and transmit the Windows account's Net-NTLMv2 hash.
"External attackers could send specially crafted emails that will cause a connection from the victim to an external UNC location of attackers' control. This will leak the Net-NTLMv2 hash of the victim to the attacker who can then relay this to another service and authenticate as the victim.," reads Microsoft's advisory.
Microsoft warns that this flaw will be triggered before it is read in the preview pane as the vulnerability "triggers automatically when it is retrieved and processed by the email server."
This vulnerability was disclosed by CERT-UA, Microsoft Incident, Microsoft Threat Intelligence (MSTI).
Microsoft has fixed an actively exploited zero-day vulnerability in Windows SmartScreen that was previously exploited to distribute and install malware.
"An attacker can craft a malicious file that would evade Mark of the Web (MOTW) defenses, resulting in a limited loss of integrity and availability of security features such as Protected View in Microsoft Office, which rely on MOTW tagging," reads Microsoft's advisory.
When exploited, the malicious file can run without triggering a Mark of the Web (MoTW) security warning.
This vulnerability was disclosed by Benoît Sevens and Vlad Stolyarov of Google’s Threat Analysis Group and Bill Demirkapi of Microsoft.
Below is the complete list of resolved vulnerabilities and released advisory for the March 2023 Patch Tuesday updates. To access the full description of each vulnerability and the systems it affects, you can view the full report here.
Azure | CVE-2023-23408 | Azure Apache Ambari Spoofing Vulnerability | Important |
Client Server Run-time Subsystem (CSRSS) | CVE-2023-23409 | Client Server Run-Time Subsystem (CSRSS) Information Disclosure Vulnerability | Important |
Client Server Run-time Subsystem (CSRSS) | CVE-2023-23394 | Client Server Run-Time Subsystem (CSRSS) Information Disclosure Vulnerability | Important |
Internet Control Message Protocol (ICMP) | CVE-2023-23415 | Internet Control Message Protocol (ICMP) Remote Code Execution Vulnerability | Critical |
Mariner | CVE-2023-0567 | Unknown | Unknown |
Mariner | CVE-2023-20052 | Unknown | Unknown |
Mariner | CVE-2023-20032 | Unknown | Unknown |
Microsoft Bluetooth Driver | CVE-2023-23388 | Windows Bluetooth Driver Elevation of Privilege Vulnerability | Important |
Microsoft Dynamics | CVE-2023-24920 | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | Important |
Microsoft Dynamics | CVE-2023-24879 | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | Important |
Microsoft Dynamics | CVE-2023-24919 | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | Important |
Microsoft Dynamics | CVE-2023-24891 | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | Important |
Microsoft Dynamics | CVE-2023-24922 | Microsoft Dynamics 365 Information Disclosure Vulnerability | Important |
Microsoft Dynamics | CVE-2023-24921 | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | Important |
Microsoft Edge (Chromium-based) | CVE-2023-1236 | Chromium: CVE-2023-1236 Inappropriate implementation in Internals | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1235 | Chromium: CVE-2023-1235 Type Confusion in DevTools | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1213 | Chromium: CVE-2023-1213 Use after free in Swiftshader | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-24892 | Microsoft Edge (Chromium-based) Webview2 Spoofing Vulnerability | Important |
Microsoft Edge (Chromium-based) | CVE-2023-1234 | Chromium: CVE-2023-1234 Inappropriate implementation in Intents | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1223 | Chromium: CVE-2023-1223 Insufficient policy enforcement in Autofill | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1222 | Chromium: CVE-2023-1222 Heap buffer overflow in Web Audio API | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1221 | Chromium: CVE-2023-1221 Insufficient policy enforcement in Extensions API | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1229 | Chromium: CVE-2023-1229 Inappropriate implementation in Permission prompts | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1228 | Chromium: CVE-2023-1228 Insufficient policy enforcement in Intents | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1224 | Chromium: CVE-2023-1224 Insufficient policy enforcement in Web Payments API | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1220 | Chromium: CVE-2023-1220 Heap buffer overflow in UMA | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1216 | Chromium: CVE-2023-1216 Use after free in DevTools | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1215 | Chromium: CVE-2023-1215 Type Confusion in CSS | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1214 | Chromium: CVE-2023-1214 Type Confusion in V8 | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1219 | Chromium: CVE-2023-1219 Heap buffer overflow in Metrics | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1218 | Chromium: CVE-2023-1218 Use after free in WebRTC | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1217 | Chromium: CVE-2023-1217 Stack buffer overflow in Crash reporting | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1230 | Chromium: CVE-2023-1230 Inappropriate implementation in WebApp Installs | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1232 | Chromium: CVE-2023-1232 Insufficient policy enforcement in Resource Timing | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1233 | Chromium: CVE-2023-1233 Insufficient policy enforcement in Resource Timing | Unknown |
Microsoft Edge (Chromium-based) | CVE-2023-1231 | Chromium: CVE-2023-1231 Inappropriate implementation in Autofill | Unknown |
Microsoft Graphics Component | CVE-2023-24910 | Windows Graphics Component Elevation of Privilege Vulnerability | Important |
Microsoft Office Excel | CVE-2023-23398 | Microsoft Excel Spoofing Vulnerability | Important |
Microsoft Office Excel | CVE-2023-23396 | Microsoft Excel Denial of Service Vulnerability | Important |
Microsoft Office Excel | CVE-2023-23399 | Microsoft Excel Remote Code Execution Vulnerability | Important |
Microsoft Office Outlook | CVE-2023-23397 | Microsoft Outlook Elevation of Privilege Vulnerability | Critical |
Microsoft Office SharePoint | CVE-2023-23395 | Microsoft SharePoint Server Spoofing Vulnerability | Important |
Microsoft OneDrive | CVE-2023-24890 | Microsoft OneDrive for iOS Security Feature Bypass Vulnerability | Important |
Microsoft OneDrive | CVE-2023-24930 | Microsoft OneDrive for MacOS Elevation of Privilege Vulnerability | Important |
Microsoft OneDrive | CVE-2023-24882 | Microsoft OneDrive for Android Information Disclosure Vulnerability | Important |
Microsoft OneDrive | CVE-2023-24923 | Microsoft OneDrive for Android Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24907 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24857 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24868 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24872 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24876 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24913 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24864 | Microsoft PostScript and PCL6 Class Printer Driver Elevation of Privilege Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24866 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24906 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24867 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24863 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24858 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24911 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24870 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24909 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-23406 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-23413 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft PostScript Printer Driver | CVE-2023-24856 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft Printer Drivers | CVE-2023-24865 | Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability | Important |
Microsoft Printer Drivers | CVE-2023-23403 | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability | Important |
Microsoft Windows Codecs Library | CVE-2023-23401 | Windows Media Remote Code Execution Vulnerability | Important |
Microsoft Windows Codecs Library | CVE-2023-23402 | Windows Media Remote Code Execution Vulnerability | Important |
Office for Android | CVE-2023-23391 | Office for Android Spoofing Vulnerability | Important |
Remote Access Service Point-to-Point Tunneling Protocol | CVE-2023-23404 | Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability | Critical |
Role: DNS Server | CVE-2023-23400 | Windows DNS Server Remote Code Execution Vulnerability | Important |
Role: Windows Hyper-V | CVE-2023-23411 | Windows Hyper-V Denial of Service Vulnerability | Critical |
Service Fabric | CVE-2023-23383 | Service Fabric Explorer Spoofing Vulnerability | Important |
Visual Studio | CVE-2023-23618 | GitHub: CVE-2023-23618 Git for Windows Remote Code Execution Vulnerability | Important |
Visual Studio | CVE-2023-22743 | GitHub: CVE-2023-22743 Git for Windows Installer Elevation of Privilege Vulnerability | Important |
Visual Studio | CVE-2023-23946 | GitHub: CVE-2023-23946 mingit Remote Code Execution Vulnerability | Important |
Visual Studio | CVE-2023-22490 | GitHub: CVE-2023-22490 mingit Information Disclosure Vulnerability | Important |
Windows Accounts Control | CVE-2023-23412 | Windows Accounts Picture Elevation of Privilege Vulnerability | Important |
Windows Bluetooth Service | CVE-2023-24871 | Windows Bluetooth Service Remote Code Execution Vulnerability | Important |
Windows Central Resource Manager | CVE-2023-23393 | Windows BrokerInfrastructure Service Elevation of Privilege Vulnerability | Important |
Windows Cryptographic Services | CVE-2023-23416 | Windows Cryptographic Services Remote Code Execution Vulnerability | Critical |
Windows Defender | CVE-2023-23389 | Microsoft Defender Elevation of Privilege Vulnerability | Important |
Windows HTTP Protocol Stack | CVE-2023-23392 | HTTP Protocol Stack Remote Code Execution Vulnerability | Critical |
Windows HTTP.sys | CVE-2023-23410 | Windows HTTP.sys Elevation of Privilege Vulnerability | Important |
Windows Internet Key Exchange (IKE) Protocol | CVE-2023-24859 | Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability | Important |
Windows Kernel | CVE-2023-23420 | Windows Kernel Elevation of Privilege Vulnerability | Important |
Windows Kernel | CVE-2023-23422 | Windows Kernel Elevation of Privilege Vulnerability | Important |
Windows Kernel | CVE-2023-23421 | Windows Kernel Elevation of Privilege Vulnerability | Important |
Windows Kernel | CVE-2023-23423 | Windows Kernel Elevation of Privilege Vulnerability | Important |
Windows Partition Management Driver | CVE-2023-23417 | Windows Partition Management Driver Elevation of Privilege Vulnerability | Important |
Windows Point-to-Point Protocol over Ethernet (PPPoE) | CVE-2023-23407 | Windows Point-to-Point Protocol over Ethernet (PPPoE) Remote Code Execution Vulnerability | Important |
Windows Point-to-Point Protocol over Ethernet (PPPoE) | CVE-2023-23385 | Windows Point-to-Point Protocol over Ethernet (PPPoE) Elevation of Privilege Vulnerability | Important |
Windows Point-to-Point Protocol over Ethernet (PPPoE) | CVE-2023-23414 | Windows Point-to-Point Protocol over Ethernet (PPPoE) Remote Code Execution Vulnerability | Important |
Windows Remote Procedure Call | CVE-2023-21708 | Remote Procedure Call Runtime Remote Code Execution Vulnerability | Critical |
Windows Remote Procedure Call Runtime | CVE-2023-23405 | Remote Procedure Call Runtime Remote Code Execution Vulnerability | Important |
Windows Remote Procedure Call Runtime | CVE-2023-24869 | Remote Procedure Call Runtime Remote Code Execution Vulnerability | Important |
Windows Remote Procedure Call Runtime | CVE-2023-24908 | Remote Procedure Call Runtime Remote Code Execution Vulnerability | Important |
Windows Resilient File System (ReFS) | CVE-2023-23419 | Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability | Important |
Windows Resilient File System (ReFS) | CVE-2023-23418 | Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability | Important |
Windows Secure Channel | CVE-2023-24862 | Windows Secure Channel Denial of Service Vulnerability | Important |
Windows SmartScreen | CVE-2023-24880 | Windows SmartScreen Security Feature Bypass Vulnerability | Moderate |
Windows TPM | CVE-2023-1017 | CERT/CC: CVE-2023-1017 TPM2.0 Module Library Elevation of Privilege Vulnerability | Critical |
Windows TPM | CVE-2023-1018 | CERT/CC: CVE-2023-1018 TPM2.0 Module Library Elevation of Privilege Vulnerability | Critical |
Windows Win32K | CVE-2023-24861 | Windows Graphics Component Elevation of Privilege Vulnerability | Important |