CVE-2026-87653: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87653: UI misrepresentation in FullScreen
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
UI misrepresentation in FullScreen in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.4234.32 - Upgrade
Upgrade
Google Chrome / Microsoft Edge (Chromium-based) on Windowsto a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker needs to get a user to open a crafted HTML page in Google Chrome on Windows and enter or interact with FullScreen mode. The issue can then be used to spoof UI elements.
Which installations are affected?
Google Chrome on Windows before version 153.0.8010.36 is affected. The provided information does not identify any required non-default configuration beyond use of FullScreen.
What should teams do if they cannot update immediately?
The provided information indicates that exploitation relies on a crafted HTML page and FullScreen UI spoofing. Until Chrome can be updated, users should be cautious about entering FullScreen on untrusted sites and should verify sensitive prompts or browser UI after exiting FullScreen.