CVE-2023-21539: Windows Authentication Remote Code Execution Vulnerability
First published: Tue Jan 10 2023(Updated: )
Windows Authentication Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =20H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =22H2 | |
| Windows 11 | =21H2 | |
| Windows 11 | =21H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 22H2 | ||
| Microsoft Windows 10 22H2 | ||
| Microsoft Windows 10 22H2 | ||
| Windows 11 | ||
| Windows 11 | ||
| Windows 11 | ||
| Windows 11 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2023-21539?
CVE-2023-21539 is a Windows Authentication Remote Code Execution Vulnerability.
Which software is affected by CVE-2023-21539?
CVE-2023-21539 affects Microsoft Windows 10 20h2, Microsoft Windows Server 2019, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11, and Microsoft Windows Server 2022.
What is the severity of CVE-2023-21539?
CVE-2023-21539 has a severity level of 7.5 (high).
How do I fix CVE-2023-21539?
To fix CVE-2023-21539, apply the patches provided by Microsoft using the following links: [Windows Server 2022](https://support.microsoft.com/help/5022291), [Windows 11 22H2](https://support.microsoft.com/help/5022303), [Windows 10 22H2](https://support.microsoft.com/help/5022282), [Windows 10 20H2](https://support.microsoft.com/help/5022282), [Windows 11 21H2](https://support.microsoft.com/help/5022287), [Windows 10 21H2](https://support.microsoft.com/help/5022282), [Windows 11 21H1](https://support.microsoft.com/help/5022287), and [Windows 10 21H1](https://support.microsoft.com/help/5022282).
Where can I find more information about CVE-2023-21539?
You can find more information about CVE-2023-21539 on the [Microsoft Security Response Center](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21539) website.
- collector/msrc-cve
- agent/type
- agent/first-publish-date
- agent/severity
- agent/references
- agent/title
- agent/description
- source/Microsoft
- agent/software-canonical-lookup
- agent/weakness
- agent/author
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/tags
- agent/softwarecombine
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/nvd-api
- source/NVD
- vendor/microsoft
- canonical/microsoft windows 10
- version/microsoft windows 10/20h2
- version/microsoft windows 10/22h2
- version/microsoft windows 10/21h2
- canonical/windows 11
- version/windows 11/22h2
- version/windows 11/21h2
- canonical/microsoft windows 10 22h2
- canonical/microsoft windows server 2022