CVE-2021-28326: Microsoft Windows AppX Deployment Service Directory Junction Denial-of-Service Vulnerability
First published: Tue Apr 13 2021(Updated: )
Windows AppX Deployment Server Denial of Service Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| =20H2 | ||
| =20H2 | ||
| =20H2 | ||
| =20H2 | ||
| =1803 | ||
| =1809 | ||
| =1809 | ||
| =1809 | ||
| =1607 | ||
| =1607 | ||
| =1909 | ||
| =1909 | ||
| =1909 | ||
| =1909 | ||
| =1803 | ||
| =1803 | ||
| =2004 | ||
| =2004 | ||
| =2004 | ||
| =2004 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1803 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft 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 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-28326?
CVE-2021-28326 has a severity rating of Critical as it allows local attackers to create a denial-of-service condition.
How do I fix CVE-2021-28326?
To fix CVE-2021-28326, apply the relevant security updates provided by Microsoft for affected Windows versions.
Which systems are affected by CVE-2021-28326?
CVE-2021-28326 affects multiple versions of Windows 10 and Windows Server, specifically the 20H2, 1803, 1809, 1909, and 2004 releases.
Can CVE-2021-28326 be exploited remotely?
CVE-2021-28326 requires local access to exploit, making it not applicable to remote attack scenarios.
How does CVE-2021-28326 affect system availability?
CVE-2021-28326 can be used by attackers to cause a denial-of-service condition, rendering the affected application temporarily unavailable.
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