CVE-2021-33783: Windows SMB Information Disclosure Vulnerability
First published: Wed Jul 14 2021(Updated: )
Windows SMB Information Disclosure Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =21h1 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 8.1 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server 2008 Itanium | =sp1 | |
| Microsoft Windows Server 2008 Itanium | =sp2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | =20h2 | |
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2019 |
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Frequently Asked Questions
What is the severity of CVE-2021-33783?
CVE-2021-33783 has a severity rating of High as it allows information disclosure via the Windows SMB service.
How do I fix CVE-2021-33783?
To fix CVE-2021-33783, apply the security updates provided by Microsoft for the affected versions of Windows.
What systems are affected by CVE-2021-33783?
CVE-2021-33783 affects multiple versions of Microsoft Windows, including Windows 10, Windows 7, Windows 8.1, and various Windows Server editions.
What type of vulnerability is CVE-2021-33783?
CVE-2021-33783 is classified as an Information Disclosure vulnerability in the Windows SMB service.
Is CVE-2021-33783 being actively exploited?
There is potential for CVE-2021-33783 to be exploited, making it crucial for users to apply patches promptly.
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- canonical/microsoft windows 10
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- version/microsoft windows 10/21h1
- version/microsoft windows 10/1607
- version/microsoft windows 10/1809
- version/microsoft windows 10/1909
- version/microsoft windows 10/2004
- canonical/microsoft windows 7
- version/microsoft windows 7/sp1
- canonical/microsoft windows 8.1
- canonical/microsoft windows rt
- canonical/microsoft windows server 2008 itanium
- version/microsoft windows server 2008 itanium/sp1
- version/microsoft windows server 2008 itanium/sp2
- canonical/microsoft windows server 2012 x64
- version/microsoft windows server 2012 x64/r2
- canonical/microsoft windows server 2016
- version/microsoft windows server 2016/20h2
- version/microsoft windows server 2016/2004
- canonical/microsoft windows server 2019