CVE-2023-21823

CVEs › CVE-2023-21823

Description

Windows Graphics Component Remote Code Execution Vulnerability

Overview

State: PUBLISHED
Assigner (CNA): microsoft
CVSS severity: HIGH
CVSS score: 7.8 / 10
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
Effective score: 7.8 / 10 HIGH source: CNA overview
MSRC score: 7.8 / 10 HIGH MS rating: Important · Remote Code Execution
CWE(s): CWE-190
Reserved: 2022-12-16
Published: 2023-02-14 08:00 UTC
Last updated: 2023-02-17 08:00 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/21xxx/CVE-2023-21823.json
Linked Threat: CVE-2023-21823 — Windows Graphics Component Remote Code Execution Vulnerability

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2023-25989
Assigner: microsoft
Published: Feb 14, 2023, 8:09:36 PM
Updated: Oct 21, 2025, 11:15:25 PM
EUVD base score (CVSS 3.1): 7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
EUVD-reported EPSS: 2.2900
Vendors: Microsoft
Products: Windows Server 2012 (6.2.9200.0 <6.2.9200.24116)

Windows Server 2012 (Server Core installation) (6.2.9200.0 <6.2.9200.24116)

Microsoft Office for Universal (16.0.1 <16.0.14326.21330)

Windows Server 2012 R2 (6.3.9600.0 <6.3.9600.20821)

Windows 10 Version 1607 (10.0.14393.0 <10.0.14393.5717)

Windows Server 2019 (Server Core installation) (10.0.17763.0 <10.0.17763.4010)

Microsoft Office for Android (16.0.1 <16.0.16130.20156)

Windows Server 2022 (10.0.20348.0 <10.0.20348.1547)

Windows 10 Version 21H2 (10.0.19043.0 <10.0.19044.2604)

Windows Server 2008 Service Pack 2 (Server Core installation) (6.0.6003.0 <6.0.6003.21915)

Windows Server 2008 R2 Service Pack 1 (Server Core installation) (6.1.7601.0 <6.1.7601.26366)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)

Microsoft Office for iOS (2.0.0 <2.70.23021003)

Windows Server 2019 (10.0.17763.0 <10.0.17763.4010)

Windows Server 2016 (Server Core installation) (10.0.14393.0 <10.0.14393.5717)

Windows Server 2012 R2 (Server Core installation) (6.3.9600.0 <6.3.9600.20821)

Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)

Windows 10 Version 22H2 (10.0.19045.0 <10.0.19045.2604)

Windows 10 Version 1809 (10.0.0 <10.0.17763.4010)

Windows 11 version 22H2 (10.0.22621.0 <10.0.22621.1265)

Windows 10 Version 20H2 (10.0.0 <10.0.19042.2604)

Windows 10 Version 1507 (10.0.10240.0 <10.0.10240.19747)

Windows Server 2008 R2 Service Pack 1 (6.1.7601.0 <6.1.7601.26366)

Windows 10 Version 1809 (10.0.17763.0 <10.0.17763.4010)

Windows 11 version 21H2 (10.0.0 <10.0.22621.1574)

Windows Server 2016 (10.0.14393.0 <10.0.14393.5717)
Aliases: GHSA-7ggm-m49m-ff38

ENISA description: Windows Graphics Component Remote Code Execution Vulnerability

EUVD references (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21823

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-08-11 01:49 UTC (source: CVRF).

MS severity: Important
Impact: Remote Code Execution
MS CVSS base score: 7.8 / 10 (temporal 7.5)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
Exploit assessment: Publicly Disclosed:No;Exploited:Yes;Latest Software Release:Exploitation Detected;DOS:N/A
Release: 2023-Feb

Microsoft remediations / KB articles (31)

Release Notes — Vendor Fix / Security Update (fixed build 16.0.16130.20156)
Release Notes — Vendor Fix / Security Update (fixed build 16.0.14326.21330)
Release Notes — Vendor Fix / Security Update (fixed build 2.70.23021003)
5022840 — Vendor Fix / Security Update (fixed build 10.0.17763.4010)
5022840 — Update
5022842 — Vendor Fix / Security Update (fixed build 10.0.20348.1547)
5022842 — Update
5022921 — Vendor Fix / Security Hotpatch Update (fixed build 10.0.20348.1540)
5022834 — Vendor Fix / Security Update (fixed build 10.0.19042.2604)
5022834 — Update
5022836 — Vendor Fix / Security Update (fixed build 10.0.22621.1574)
5022845 — Vendor Fix / Security Update (fixed build 10.0.22621.1265)
5022845 — Update
5022858 — Vendor Fix / Security Update (fixed build 10.0.10240.19747)
5022838 — Vendor Fix / Security Update (fixed build 10.0.14393.5717)
5022890 — Vendor Fix / Monthly Rollup (fixed build 6.0.6003.21915)
5022890 — Update
5022893 — Vendor Fix / Security Only (fixed build 6.0.6003.21915)
5022893 — Update
5022872 — Vendor Fix / Monthly Rollup (fixed build 6.1.7601.26366)
5022872 — Update
5022874 — Vendor Fix / Security Only (fixed build 6.1.7601.26366)
5022874 — Update
5022903 — Vendor Fix / Monthly Rollup (fixed build 6.2.9200.24116)
5022903 — Update
5022895 — Vendor Fix / Security Only (fixed build 6.2.9200.24116)
5022895 — Update
5022899 — Vendor Fix / Monthly Rollup (fixed build 6.3.9600.20821)
5022899 — Update
5022894 — Vendor Fix / Security Only (fixed build 6.3.9600.20821)
5022894 — Update

Microsoft FAQ (4)

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.

Affected products (26)

Vendor	Product	Versions	Platforms
Microsoft	Microsoft Office for Android	`16.0.1` (affected)	Unknown
Microsoft	Microsoft Office for Universal	`16.0.1` (affected)	Unknown
Microsoft	Microsoft Office for iOS	`2.0.0` (affected)	Unknown
Microsoft	Windows 10 Version 1809	`10.0.17763.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows 10 Version 1809	`10.0.0` (affected)	ARM64-based Systems
Microsoft	Windows Server 2019	`10.0.17763.0` (affected)	x64-based Systems
Microsoft	Windows Server 2019 (Server Core installation)	`10.0.17763.0` (affected)	x64-based Systems
Microsoft	Windows Server 2022	`10.0.20348.0` (affected)	x64-based Systems
Microsoft	Windows 10 Version 20H2	`10.0.0` (affected)	32-bit Systems, ARM64-based Systems
Microsoft	Windows 11 version 21H2	`10.0.0` (affected)	x64-based Systems, ARM64-based Systems
Microsoft	Windows 10 Version 21H2	`10.0.19043.0` (affected)	32-bit Systems, ARM64-based Systems, x64-based Systems
Microsoft	Windows 11 version 22H2	`10.0.22621.0` (affected)	ARM64-based Systems, x64-based Systems
Microsoft	Windows 10 Version 22H2	`10.0.19045.0` (affected)	x64-based Systems, ARM64-based Systems, 32-bit Systems
Microsoft	Windows 10 Version 1507	`10.0.10240.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows 10 Version 1607	`10.0.14393.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows Server 2016	`10.0.14393.0` (affected)	x64-based Systems
Microsoft	Windows Server 2016 (Server Core installation)	`10.0.14393.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 Service Pack 2	`6.0.6003.0` (affected)	32-bit Systems
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	`6.0.6003.0` (affected)	32-bit Systems, x64-based Systems
Microsoft	Windows Server 2008 Service Pack 2	`6.0.6003.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 R2 Service Pack 1	`6.1.7601.0` (affected)	x64-based Systems
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	`6.1.7601.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012	`6.2.9200.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 (Server Core installation)	`6.2.9200.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 R2	`6.3.9600.0` (affected)	x64-based Systems
Microsoft	Windows Server 2012 R2 (Server Core installation)	`6.3.9600.0` (affected)	x64-based Systems

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Windows Graphics Component Remote Code Execution Vulnerability vendor-advisory

Web references (31)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

Release Notes msrc
5022834 msrc
5022836 msrc
5022838 msrc
5022840 msrc
5022842 msrc
5022845 msrc
5022858 msrc
5022872 msrc
5022874 msrc
5022890 msrc
5022893 msrc
5022894 msrc
5022895 msrc
5022899 msrc
5022903 msrc
MSRC update guide: CVE-2023-21823 msrc
Release Notes msrc
Release Notes msrc
5022834 msrc
5022840 msrc
5022842 msrc
5022845 msrc
5022872 msrc
5022874 msrc
5022890 msrc
5022893 msrc
5022894 msrc
5022895 msrc
5022899 msrc
5022903 msrc

Remediations (14)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

VMware ESXi 8.0 Update 3d Release Notes

web:techdocs.broadcom.com

Patch Category Security Patch Severity Critical Host Reboot Required Yes Virtual Machine Migration or Shutdown Required Yes Affected Hardware N/A Affected Software N/A Affected VIBs Included VMware_bootbank_esxio-update_8..3-.60.24585383 VMware_bootbank_loadesxio_8..3-.60.24585383 PRs Fixed N/A CVE numbers N/A Due to their dependency on the ...

2026-06-04 15:16 UTC
NVD - Home

web:nvd.nist.gov

The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...

2026-06-04 15:16 UTC
Oracle Critical Patch Update Advisory - October 2023

web:www.oracle.com

Oracle Critical Patch Update Advisory - October 2023 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical ...

2026-06-04 15:16 UTC
Vulnerability Remediation vs Mitigation: Which Strategy Wins in ...

web:securityboulevard.com

Organizations must decide how to tackle vulnerabilities—through remediation , mitigation , or a combination of both. But which strategy is more effective? This blog explores the nuances of vulnerability remediation vs mitigation , their respective benefits, and how to choose the right approach.

2026-06-04 15:16 UTC
2023 Top Routinely Exploited Vulnerabilities - CISA

web:www.cisa.gov

For patch information on CVEs identified in this advisory, refer to the Appendix: Patch Information and Additional Resources for Top Exploited Vulnerabilities. If a patch for a KEV or critical vulnerability cannot be quickly applied, implement vendor-approved workarounds.

2026-05-22 05:47 UTC
Determine Fix for IOS XE Software Web UI - Cisco

web:www.cisco.com

This document describes a list of software versions that have incorporated fixes for Cisco IOS® XE Software Web UI Cisco bug ID CSCwh87343.

2026-05-22 05:47 UTC
Resolving Sweet32, Birthday Attacks on Windows Servers Via GPO

web:www.experts-exchange.com

Learn more about Resolving Sweet32, Birthday Attacks on Windows Servers Via GPO from the expert community at Experts Exchange

2026-05-22 05:47 UTC
PDF 2023 Top Routinely Exploited Vulnerabilities

web:www.fbi.gov

For patch information on CVEs identified in this advisory, refer to the Appendix: Patch Information and Additional Resources for Top Exploited Vulnerabilities.

2026-05-22 05:47 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-05-22 05:47 UTC
Security Updates - Red Hat Customer Portal

web:access.redhat.com

Learn about our open source products, services, and company. You are here

2026-05-22 05:47 UTC
Vulnerability Remediation vs. Mitigation: What are the Differences ...

web:www.secure.com

Learn the difference between vulnerability remediation and mitigation , and how a risk-based strategy can strengthen your security posture.

2026-05-22 05:47 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 05:47 UTC
The August Patch Tuesday updates for Windows 11 are here, and they fix ...

web:windowsreport.com

It's that time of the month again: Microsoft has rolled out its Patch Tuesday updates for Windows 11 versions 23H2, 22H2, and 21H2. Windows 11 23H2 and 22H2 users will see their systems updated through KB5041585, while those on 21H2 will receive KB5041592.

2026-05-22 05:47 UTC
ThreatLocker Patch Management: A Security-First Approach to Closing ...

web:www.bleepingcomputer.com

ThreatLocker Patch Management is built to tackle this reality head-on, providing security teams with greater control, visibility, and confidence over patching workflows — without compromising ...

2026-05-22 05:47 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2023-21823.json.

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