Microsoft Edge browser (145.0.3800.58) version security update advisory

Overview

 

Microsoft(https://www.microsoft.com) has released a security update that fixes vulnerabilities in products it has supplied. Users of affected products are advised to update to the latest version.

 

Affected Products

 

Microsoft Edge 145.0.3800.58 and earlier

Microsoft Edge (Chromium-based) 1 45.0.7632.45/.46 or earlier

 

Resolved Vulnerabilities

 

Vulnerability of unknown severity in Microsoft Edge (Chromium-based) (CVE-2026-2318)

Improper Functional Implementation Vulnerability in the Animation feature of unknown severity in Microsoft Edge (Chromium-based) (CVE-2026-2317)

Memory Reuse After Freeing Vulnerability in CSS functions of unknown severity in Microsoft Edge (Chromium-based) (CVE-2026-2441, CVE-2026-2313)

Improper Functional Implementation Vulnerability in the Downloads function of unknown severity in Microsoft Edge (Chromium-based) (CVE-2026-2323)

Improper Functional Implementation Vulnerability in the File input function of unknown severity in Microsoft Edge (Chromium-based) (CVE-2026-2320)

 

Vulnerability Patches

 

The following product-specific vulnerability patches were made available in the 02/18/2026 update

 

Microsoft Edge version 145.0.3800.58

Microsoft Edge (Chromium-based) 1 45.0.7632.45/.46 version