Security Update Recommendation for Microsoft Edge Browser (Version 151.0.4129.86)
Aug 15 2026
Microsoft has released a security update to address vulnerabilities in its products.
The affected products are versions of Microsoft Edge (Chromium-based) prior to 151.0.4129.86.
The resolved vulnerability is a high-severity memory-free-then-reuse vulnerability occurring in Microsoft Edge (Chromium-based).
This vulnerability was identified in the following features:
Memory-free-then-reuse vulnerability in the Blink engine (CVE-2026-19560).
Memory deallocation and reuse vulnerability in the Extensions feature (CVE-2026-19558).
Memory deallocation and reuse vulnerability in the HTML feature (CVE-2026-19559).
Memory deallocation and reuse vulnerability in the TabStrip feature (CVE-2026-19557).
Memory deallocation and reuse vulnerability in the V8 feature (CVE-2026-19556).
Vulnerability Patches were released through the August 15, 2026, update.
Users should either install the updates automatically using Windows Update or download and install them by following the URL provided in the product information.
