Summary
Impact: Remote Code Execution. Microsoft rating: Important. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.
Details
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
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.
Security updates
16.0.16130.20156 — https://support.google.com/googleplay/answer/113412?hl=en
16.0.14326.21330 — https://support.microsoft.com/en-us/account-billing/get-updates-for-apps-and-games-in-microsoft-store-a1fe19c0-532d-ec47-7035-d1c5a1dd464f
2.70.23021003 — https://apps.apple.com/us/app/microsoft-365-office/id541164041
10.0.17763.4010 — https://support.microsoft.com/help/5022840
10.0.20348.1547 — https://support.microsoft.com/help/5022842
10.0.20348.1540 — https://support.microsoft.com/help/5022921
10.0.19042.2604 — https://support.microsoft.com/help/5022834
10.0.22621.1574 — https://support.microsoft.com/help/5022836
10.0.22621.1265 — https://support.microsoft.com/help/5022845
10.0.10240.19747 — https://support.microsoft.com/help/5022858
10.0.14393.5717 — https://support.microsoft.com/help/5022838
6.0.6003.21915 — https://support.microsoft.com/help/5022890
6.0.6003.21915 — https://support.microsoft.com/help/5022893
6.1.7601.26366 — https://support.microsoft.com/help/5022872
6.1.7601.26366 — https://support.microsoft.com/help/5022874
6.2.9200.24116 — https://support.microsoft.com/help/5022903
6.2.9200.24116 — https://support.microsoft.com/help/5022895
6.3.9600.20821 — https://support.microsoft.com/help/5022899
6.3.9600.20821 — https://support.microsoft.com/help/5022894
Vulnerabilities 1
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High 7.8
Windows Graphics Component Remote Code Execution Vulnerability
Windows Graphics Component Remote Code Execution Vulnerability
KEV Feb 14, 2023
Revision history
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#2
Updated FAQ information. This is an informational change only.
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#1
Information published.
References
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CVE-2023-21823 Windows Graphics Component Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21823
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss