CVE-2026-85898

High

Description

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

SeverityHigh

CVSS8.8

Exploit probability—

Product

Microsoft Edge Chromium

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-843CWE-843

How to fix

Update

microsoft edge_chromium154.0.4258.48 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85898

Affected products

Product	Affected versions	Fixed in
microsoft edge_chromium	v < 154.0.4258.48	154.0.4258.48

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