CVE-2026-96187: Microsoft Edge (Chromium-based) (High, CVSS 7.4)

CVE record · updated Oct 29, 2026

CVE-2026-96187HighMicrosoft Edge (Chromium-based)

CVSS: 7.4 High (v3.1)
Exploited in the wild: Not on CISA’s KEV list
Public exploit: None reported in public exploit databases
Weakness: CWE-843
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Published: Oct 29, 2026

What it is

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Description from the National Vulnerability Database.

What to do

Check whether you run Microsoft Edge (Chromium-based), then apply the vendor’s fix or mitigation from the advisories below.

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.