#Microsoft Edge (Chromium-based)

**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. **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, the attack complexity is high (AC:H). What does that mean for this vulnerability? \*\* Successful exploitation of this vulnerability requires an attacker to enable Edge Split Screen mode, have a specific configuration, and run multiple pages.

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.125 8/28/2025 139.0.7258.154/.155

**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. **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**

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.102 8/15/2025 139.0.7258.127/.128

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.102 8/15/2025 139.0.7258.127/.128

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.102 8/15/2025 139.0.7258.127/.128

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.102 8/15/2025 139.0.7258.127/.128

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.102 8/15/2025 139.0.7258.127/.128

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 139.0.3405.86 8/07/2025 139.0.7258.66/67