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

Overview

Severity
High (CVSS 7.3)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
Category
Elevation of Privilege
Exploit Status
Actively Exploited
Exploitation Likelihood
Detected
Patch Tuesday
2023-Feb
Released
2023-02-14
Last Updated
2023-02-17
EPSS Score
5.24% (percentile: 90.0%)
CISA KEV
Listed — due 2023-03-07

FAQ

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. How do I get the update for Office for IOS? Tap the Settings Icon Tap the iTunes & App Store Turn on AUTOMATIC DOWNLOADS for Apps Alternatively Tap the App Store Icon Scroll down to find Microsoft Office Tap the Update button How do I get the update for Office for Android? Please reference How to update the Play Store & apps on Android - Google Play Help for guidance. According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution? The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 1 repositories

Affected Products (38)

Microsoft Office

  • Microsoft Office for Android
  • Microsoft Office for Universal
  • Microsoft Office for iOS

Windows

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)

ESU

  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)

Security Updates (18)

Acknowledgments

Genwei Jiang and Dhanesh Kizhakkinan of Mandiant, Dhanesh Kizhakkinan with Mandiant

Revision History

  • 2023-02-14: Information published.
  • 2023-02-17: Updated FAQ information. This is an informational change only.