Microsoft Security Response Center

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 101.0.1210.47 5/13/2022 101.0.4951.64

**What Security Feature might be bypassed by this vulnerability?** The authentication feature could be bypassed as this vulnerability allows impersonation.

**Is the Preview Pane an attack vector for this vulnerability?** No, the Preview Pane is not an attack vector.

**Is the Preview Pane an attack vector for this vulnerability?** No, the Preview Pane is not an attack vector.

**Is the Preview Pane an attack vector for this vulnerability?** No, the Preview Pane is not an attack vector.

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of initialized or uninitialized memory in the process heap.

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of initialized or uninitialized memory in the process heap.

**What type of information could be disclosed by this vulnerability?** Exploiting this vulnerability could allow the disclosure of initialized or uninitialized memory in the process heap.

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to win a race condition.

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors might be helpful in your situation: This vulnerability is not exploitable in NFSV4.1. Prior to updating your version of Windows that protects against this vulnerability, you can mitigate an attack by disabling NFSV2 and NFSV3. This may adversely affect your ecosystem and should only be used as a temporary mitigation. The following PowerShell command will disable those versions: PS C:\Set-NfsServerConfiguration -EnableNFSV2 $false -EnableNFSV3 $false After this, you will need to restart NFS server or reboot the machine. To restart NFS server, start a **cmd** window with **Run as Administrator**, enter the following commands: * **nfsadmin server stop** * **nfsadmin server start** To confirm that NFSv2 and NFSv3 have been turned off, run the following command in a Powershe...