CVE-2026-88078

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

4.3

Vector

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

Exploitability: 2.8 / Impact: 1.4

Source: secure@microsoft.com (Secondary)

Description

Improper verification of cryptographic signature in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing 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 < 156.0.4314.42

Related CWEs

CWE-347

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88078

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.