CVE-2021-26441: Microsoft Windows storport Integer Overflow Privilege Escalation Vulnerability
First published: Tue Oct 12 2021(Updated: )
Storage Spaces Controller Elevation of Privilege Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server | =20H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server | =2004 | |
| Microsoft Windows RT | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Windows 11 | =21H2 | |
| Windows 11 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2022 | ||
| Windows 10 | =20H2 | |
| Windows 10 | =20H2 | |
| Windows 10 | =20H2 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =1607 | |
| Windows 10 | =1607 | |
| Windows 10 | =21H1 | |
| Windows 10 | =21H1 | |
| Windows 10 | =21H1 | |
| Windows 10 | =1909 | |
| Windows 10 | =1909 | |
| Windows 10 | =1909 | |
| Windows 10 | ||
| Windows 10 | ||
| Windows 10 | =2004 | |
| Windows 10 | =2004 | |
| Windows 10 | =2004 | |
| Windows 10 | ||
| Windows 10 | ||
| Windows 10 | =20h2 | |
| Windows 10 | =20h2 | |
| Windows 10 | =20h2 | |
| Windows 10 | =21h1 | |
| Windows 10 | =21h1 | |
| Windows 10 | =21h1 | |
| Windows 10 | =1607 | |
| Windows 10 | =1607 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =1809 | |
| Windows 10 | =1909 | |
| Windows 10 | =1909 | |
| Windows 10 | =1909 | |
| Windows 10 | =2004 | |
| Windows 10 | =2004 | |
| Windows 10 | =2004 | |
| Windows 11 | ||
| Windows 11 | ||
| Microsoft Windows | ||
| Microsoft Windows | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | =20h2 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Operating System |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-26441?
CVE-2021-26441 has a severity rating of important, indicating a potential risk for local privilege escalation.
How do I fix CVE-2021-26441?
To remediate CVE-2021-26441, apply the latest security updates provided by Microsoft for your affected Windows version.
Who is affected by CVE-2021-26441?
CVE-2021-26441 affects local users of various Windows operating systems that allow privilege escalation.
What types of attacks can leverage CVE-2021-26441?
Attackers who gain initial low-privileged access can exploit CVE-2021-26441 to elevate their privileges on the system.
Is there a workaround for CVE-2021-26441 until I can apply the fix?
Currently, there are no known workarounds to mitigate CVE-2021-26441, so applying patches is recommended.
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- canonical/microsoft windows server 2019
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- canonical/microsoft windows server 2022
- canonical/windows 10
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- version/windows 10/1607
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- version/microsoft windows server/r2
- version/microsoft windows server 2016/2004
- canonical/microsoft windows operating system