CVE-2023-21823

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.056 · 93 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

5.56% (93rd) EPSS

CVSS 7.8 · high

Is it mine?

159 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2023-02-14remediate by 2023-03-07

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-26

Microsoft Windows Graphic Component Privilege Escalation Vulnerability

Windows Graphics Component Remote Code Execution Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Office for Androidmsrc_csaf
16.0.16130.20156:Security Update:https://support.google.com/googleplay/answer/113412?hl=en
https://support.google.com/googleplay/answer/113412?hl=en
FixedMicrosoft Office for Universalmsrc_csaf
16.0.14326.21330:Security Update:https://support.microsoft.com/en-us/account-billing/get-updates-for-apps-and-games-in-microsoft-store-a1fe19c0-532d-ec47-7035-d1c5a1dd464f
https://support.microsoft.com/en-us/account-billing/get-updates-for-apps-and-games-in-microsoft-store-a1fe19c0-532d-ec47-7035-d1c5a1dd464f
FixedMicrosoft Office for iOSmsrc_csaf
2.70.23021003:Security Update:https://apps.apple.com/us/app/microsoft-365-office/id541164041
https://apps.apple.com/us/app/microsoft-365-office/id541164041
FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.5717:Security Update:https://support.microsoft.com/help/5022838
https://support.microsoft.com/help/5022838
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.5717:Security Update:https://support.microsoft.com/help/5022838
https://support.microsoft.com/help/5022838
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.4010:Security Update:https://support.microsoft.com/help/5022840
https://support.microsoft.com/help/5022840
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.4010:Security Update:https://support.microsoft.com/help/5022840
https://support.microsoft.com/help/5022840
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.4010:Security Update:https://support.microsoft.com/help/5022840
https://support.microsoft.com/help/5022840
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.2604:Security Update:https://support.microsoft.com/help/5022834
https://support.microsoft.com/help/5022834
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.19747:Security Update:https://support.microsoft.com/help/5022858
https://support.microsoft.com/help/5022858
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.19747:Security Update:https://support.microsoft.com/help/5022858
https://support.microsoft.com/help/5022858
FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.1265:Security Update:https://support.microsoft.com/help/5022845
https://support.microsoft.com/help/5022845
FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.1265:Security Update:https://support.microsoft.com/help/5022845
https://support.microsoft.com/help/5022845
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.1574:Security Update:https://support.microsoft.com/help/5022836
https://support.microsoft.com/help/5022836
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22621.1574:Security Update:https://support.microsoft.com/help/5022836
https://support.microsoft.com/help/5022836
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.26366:Monthly Rollup:https://support.microsoft.com/help/5022872
https://support.microsoft.com/help/5022872
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.26366:Monthly Rollup:https://support.microsoft.com/help/5022872
https://support.microsoft.com/help/5022872
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.21915:Monthly Rollup:https://support.microsoft.com/help/5022890
https://support.microsoft.com/help/5022890
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21915:Monthly Rollup:https://support.microsoft.com/help/5022890
https://support.microsoft.com/help/5022890
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.21915:Monthly Rollup:https://support.microsoft.com/help/5022890
https://support.microsoft.com/help/5022890
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21915:Monthly Rollup:https://support.microsoft.com/help/5022890
https://support.microsoft.com/help/5022890
FixedWindows Server 2012msrc_csaf
6.2.9200.24116:Security Only:https://support.microsoft.com/help/5022895
https://support.microsoft.com/help/5022895
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.24116:Security Only:https://support.microsoft.com/help/5022895
https://support.microsoft.com/help/5022895
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.20821:Security Only:https://support.microsoft.com/help/5022894
https://support.microsoft.com/help/5022894
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.20821:Security Only:https://support.microsoft.com/help/5022894
https://support.microsoft.com/help/5022894
FixedWindows Server 2016msrc_csaf
10.0.14393.5717:Security Update:https://support.microsoft.com/help/5022838
https://support.microsoft.com/help/5022838
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.5717:Security Update:https://support.microsoft.com/help/5022838
https://support.microsoft.com/help/5022838
FixedWindows Server 2019msrc_csaf
10.0.17763.4010:Security Update:https://support.microsoft.com/help/5022840
https://support.microsoft.com/help/5022840
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.4010:Security Update:https://support.microsoft.com/help/5022840
https://support.microsoft.com/help/5022840
FixedWindows Server 2022msrc_csaf
10.0.20348.1547:Security Update:https://support.microsoft.com/help/5022842
https://support.microsoft.com/help/5022842
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.1547:Security Update:https://support.microsoft.com/help/5022842
https://support.microsoft.com/help/5022842

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-190USprimaryCWE-119USCWE-190US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Elizarfish/CVE-2023-21823 CVE-2023-21823 PoCPoC · poc_in_github

affected products (159)

Products and version ranges known to be affected.

Microsoft 365 Appsall versionscert_bundDEcpe:/a:microsoft:365_apps:-
Microsoft Office 2019 for Macall versionscert_bundDEcpe:/a:microsoft:office_2019_for_mac:-
Microsoft Office LTSC 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_2021
Microsoft Office LTSC for Mac 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_for_mac_2021
Microsoft Office Online Serverall versionscert_bundDEcpe:/a:microsoft:office_online_server:2016
Microsoft Office Web Apps Server 2013 SP1all versionscert_bundDEcpe:/a:microsoft:office_web_apps_server_2013:sp1
Microsoft Office for Androidall versionscert_bundDEcpe:/a:microsoft:office:for_android
Microsoft Office for Universalall versionscert_bundDEcpe:/a:microsoft:office:for_universal
Microsoft Office for iOSall versionscert_bundDEcpe:/a:microsoft:office:for_ios
Microsoft OneNote for Androidall versionscert_bundDEcpe:/a:microsoft:onenote:for_android
Microsoft SharePoint Enterprise Server 2013 SP1all versionscert_bundDEcpe:/a:microsoft:sharepoint:enterprise_server_2013_sp1
Microsoft SharePoint Enterprise Server 2016all versionscert_bundDEcpe:/a:microsoft:sharepoint:enterprise_server_2016
Microsoft SharePoint Foundation 2013 SP1all versionscert_bundDEcpe:/a:microsoft:sharepoint_foundation_2013:sp1
Microsoft SharePoint Server 2019all versionscert_bundDEcpe:/a:microsoft:sharepoint_server_2019:-
Microsoft SharePoint Server Subscription Editionall versionscert_bundDEcpe:/a:microsoft:sharepoint:server_subscription_edition
Microsoft SharePoint Server Subscription Edition Language Packall versionscert_bundDEcpe:/a:microsoft:sharepoint:server_subscription_edition_language_pack
Microsoft Word 2013 RT SP1all versionscert_bundDEcpe:/a:microsoft:word_2013:rt_sp_1
Microsoft Word 2013 SP1all versionscert_bundDEcpe:/a:microsoft:word_2013:sp_1
Microsoft Word 2016all versionscert_bundDEcpe:/a:microsoft:word_2016:-
Microsoft Microsoft Office for Android16.0.1 → 16.0.16130.20156enisa_euvdEU

showing 20 of 159

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0391Microsoft Office Produkte: Mehrere SchwachstellenDeutsch2023-02-14csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office und SharePoint Produkten ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, Sicherheitsmechanismen zu umgehen und Informationen offenzulegen.
msrc_CVE-2023-21823Windows Graphics Component Remote Code Execution Vulnerability2023-02-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2023-02-14modified 2026-08-19

related (4,630)

Related entries.

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+4625 more

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

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