Edge: use after free lets an authorized attacker run code

high severity · published 2026-09-11

A use-after-free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network. Microsoft fixed it in version 152.0.4191.52.

Fixed in: 152.0.4191.52

CVE: CVE-2026-70341

Source: NVD

Am I affected?

You are affected if the installed version is older than 152.0.4191.52. Check the version you have and update to 152.0.4191.52 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 194 and your operating system.