CVE-2026-88090

Published: Oct 29, 2026Modified: Nov 3, 2026

5.4

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.5

Source: secure@microsoft.com (Secondary)

Description

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

Affected (1)

Products: Microsoft: Edge Chromium

Microsoft

1 product

Edge Chromium

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Microsoft Edge Chromium	version < 154.0.4258.37

Related CWEs

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88090

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.