CVE-2021-36926: 
vulnerability analysis and mitigation

CVE-2021-36926 is a Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability that was identified in 2021. The vulnerability was first recorded on July 19, 2021, and affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 8.1, Windows RT 8.1, and various Windows Server versions (NVD).

The vulnerability has been assigned a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating network accessibility, low attack complexity, no privileges required, and no user interaction needed. Under CVSS v2.0, it received a Base Score of 5.0 (MEDIUM) with the vector (AV:N/AC:L/Au:N/C:P/I:N/A:N) (NVD).

This vulnerability could lead to information disclosure in the Windows Services for NFS ONCRPC XDR Driver. The CVSS scores indicate that while the vulnerability can result in high confidentiality impact, it does not affect system integrity or availability (NVD).

Microsoft has released security patches to address this vulnerability. The fix is available through Microsoft's security update channels (Microsoft Advisory).