CVE-2021-31191: Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
Published May 11, 2021
·Updated
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
Affected Software
10 affected components
Microsoft Windows 10=20h2
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Remediation
Event History
May 11, 2021
CVE Published
07:11 PM
Data Sourced
07:11 PM
DescriptionSeverity
Frequently Asked Questions
1
What is CVE-2021-31191?
CVE-2021-31191 is a Windows Projected File System FS Filter Driver Information Disclosure Vulnerability.
2
Which versions of Windows are affected by CVE-2021-31191?
Windows 10 versions 20h2, 1803, 1809, 1903, 1909, and 2004, as well as Windows Server 2016 versions 20h2, 1909, 2004, and Windows Server 2019 are affected by CVE-2021-31191.
3
What is the severity of CVE-2021-31191?
CVE-2021-31191 has a severity level of medium with a CVSS score of 5.5.
4
What is the official advisory for CVE-2021-31191?
The official advisory for CVE-2021-31191 can be found at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31191
5
How do I fix CVE-2021-31191?
To fix CVE-2021-31191, apply the latest security updates provided by Microsoft.