CVE-2021-1729: Microsoft Windows Setup Directory Junction Denial-of-Service Vulnerability
First published: Tue Mar 09 2021(Updated: )
Windows Update Stack Setup Elevation of Privilege Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server | =20H2 | |
| Microsoft Windows Server | =1909 | |
| Microsoft Windows Server | =2004 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Windows 10 | =20H2 | |
| Windows 10 | =20H2 | |
| Windows 10 | =20H2 | |
| Windows 10 | =1803 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =1909 | |
| Windows 10 | =1909 | |
| Windows 10 | =1909 | |
| Windows 10 | =1803 | |
| Windows 10 | =1803 | |
| Windows 10 | =2004 | |
| Windows 10 | =2004 | |
| Windows 10 | =2004 | |
| Windows 10 | ||
| Windows 10 | =20h2 | |
| Windows 10 | =1803 | |
| Windows 10 | =1809 | |
| Windows 10 | =1909 | |
| Windows 10 | =2004 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | =20h2 | |
| Microsoft Windows Server 2016 | =1909 | |
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Operating System |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-1729?
CVE-2021-1729 has been classified as a critical elevation of privilege vulnerability.
How do I fix CVE-2021-1729?
To fix CVE-2021-1729, apply the latest security updates from Microsoft available for affected Windows versions.
Which versions of Windows are affected by CVE-2021-1729?
CVE-2021-1729 affects multiple versions of Windows 10 and Windows Server, specifically those listed in the Microsoft advisory.
Can CVE-2021-1729 be exploited remotely?
No, CVE-2021-1729 requires local access to the device for exploitation.
What type of attack does CVE-2021-1729 enable?
CVE-2021-1729 enables local attackers to elevate privileges and potentially cause a denial-of-service condition.
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- collector/msrc-cve
- source/Microsoft
- agent/software-canonical-lookup
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- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/trending
- agent/source
- agent/software-canonical-lookup-request
- agent/author
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-284
- alias/ZDI-CAN-12093
- alias/CVE-2021-1729
- vendor/microsoft
- canonical/microsoft windows server
- version/microsoft windows server/20h2
- version/microsoft windows server/1909
- version/microsoft windows server/2004
- canonical/microsoft windows server 2019
- canonical/windows 10
- version/windows 10/20h2
- version/windows 10/1803
- version/windows 10/1809
- version/windows 10/1909
- version/windows 10/2004
- canonical/microsoft windows server 2016
- version/microsoft windows server 2016/20h2
- version/microsoft windows server 2016/1909
- version/microsoft windows server 2016/2004
- canonical/microsoft windows operating system