Live › vulnerability › CVE-2026-85890
Double free (CWE-415) in Microsoft Edge (Chromium-based) lets an attacker run code on the machine after a user opens a crafted web page or file. MSRC rates it Important, CVSS 8.8, not exploited, not publicly disclosed, 'Exploitation Less Likely'.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-29 16:26 UTC. All times on this page are UTC.
Anyone running Microsoft Edge (Chromium-based) on desktop below the fixed build. Exploitation needs a user to open attacker-controlled content, so machines where people browse the open web are most at risk. Machines without Edge, or with Edge already updated, can skip it.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Edge (Chromium-based) | vendor | < 154.0.4258.37 (MSRC); update to 155.0.4283.62 or later | 154.0.4258.37, 155.0.4283.62 |
155.0.4283.62 (the Oct 16, 2026 Stable build) as exposed154.0.4258.37 for this CVE; the Oct 16 2026 Stable release is 155.0.4283.62, and 156.0.4314.42 followed on Oct 22155.0.4283.62)Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
This page as .md · .json · in your agent: get_signal("CVE-2026-85890")
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