#Microsoft Edge (Chromium-based)

**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 take additional actions prior to exploitation to prepare the target environment.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** This vulnerability requires that a user have multiple browser instances open of the affected version of Microsoft Edge (Chromium-based), one of which is a specially crafted website hosted by the attacker. The user would need to access the URL of the malicious website and then click a popup displayed on that site.

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** The user would have to click on a specially crafted URL to be compromised by the attacker.

**According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of availability (A:L)? What does that mean for this vulnerability?** The performance can be interrupted and/or reduced, but the attacker cannot fully deny service.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** An attacker must send the user a malicious file and convince them to open it.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** The user would have to click on a specially crafted URL to be compromised by the attacker.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** An attacker must send the user a malicious file and convince them to open it.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** The user would have to click on a specially crafted URL to be compromised by the attacker.

**According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of availability (A:L)? What does that mean for this vulnerability?** The performance can be interrupted and/or reduced, but the attacker cannot fully deny service.