Oct 2026: Microsoft Edge (Chromium-based) Spoofing Vulnerability
CVE-2026-20942 Published on October 29, 2026
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Weakness Type
What is a Clickjacking Vulnerability?
The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with. A web application is expected to place restrictions on whether it is allowed to be rendered within frames, iframes, objects, embed or applet elements. Without the restrictions, users can be tricked into interacting with the application when they were not intending to.
CVE-2026-20942 has been classified to as a Clickjacking vulnerability or weakness.
Products Associated with CVE-2026-20942
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Affected Versions
Microsoft Edge (Chromium-based):- Version 1.0.0.0 and below 156.0.4314.42 is affected.