Medium · 4.3 CVE-2026-88078 EUVD-2026-112940GHSA-hgfw-55vg-gxmm

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Published Oct 29, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Microsoft Edge (Chromium-based) Category: Browsers

Description

Improper verification of cryptographic signature in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Microsoft Edge (Chromium-based)	1.0.0.0 – < 156.0.4314.42	156.0.4314.42

Advisories 2

WID-SEC-2026-4204 Microsoft Edge: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 29, 2026
MSRC-CVE-2026-88078 Microsoft Edge (Chromium-based) Spoofing Vulnerability Microsoft Security Response Center · Oct 29, 2026

References

Microsoft Edge (Chromium-based) Spoofing Vulnerability vendor-advisory patch