CVE-2026-84356

Description

An ui misrepresentation flaw was found in the FullScreen component of the Chromium browser.

Upstream bug(s):

https://code.google.com/p/chromium/issues/detail?id=503787232

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Understanding the Weakness (CWE)

Access Control

Technical Impact: Gain Privileges or Assume Identity; Bypass Protection Mechanism; Read Application Data; Modify Application Data

An attacker can trick a user into performing actions that are masked and hidden from the user's view. The impact varies widely, depending on the functionality of the underlying application. For example, in a social media application, clickjacking could be used to trick the user into changing privacy settings.

Frequently Asked Questions

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