Microsoft Security Response Center

**According to the CVSS score, the attack vector is Local. Why does the CVE title indicate that this is a Remote Code Execution?** The word **Remote** in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. For example, when the score indicates that the **Attack Vector** is **Local** and **User Interaction** is **Required**, this could describe an exploit in which an attacker, through social engineering, convinces a victim to download and open a specially crafted file from a website which leads to a local attack on their computer.

**What .NET component is affected by this denial of service vulnerability?** This vulnerability affects applications that utilize the Kestrel web server when processing certain HTTP/2 and HTTP/3 requests.

**What is meant by scope change for this particular vulnerability?** In this case, a successful attack could be performed from a low privilege Hyper-V guest. The attacker could traverse the guest's security boundary to execute code on the Hyper-V host execution environment.

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

**Why is Attack Complexity marked as High for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to gather information specific to environment of the targeted component.

**Are the updates for the Microsoft Dynamics 365 (on-premises) versions listed in this vulnerability currently available?** The security update for Microsoft Dynamics 365 (on-premises) version 8.2 and Microsoft Dynamics 365 (on-premises) version 9.1 are not immediately available. The updates will be released as soon as possible, and when they are available, customers will be notified via a revision to this CVE information.

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 98.0.1108.43 2/3/2022 98.0.4758.80

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 98.0.1108.43 2/3/2022 98.0.4758.80

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 98.0.1108.43 2/3/2022 98.0.4758.80

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 98.0.1108.43 2/3/2022 98.0.4758.80