EUVD-2026-31159
GHSA-rgw2-264p-h9j3
Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
Lifecycle Timeline
4DescriptionCVE.org
Inappropriate implementation in UI in Google Chrome on Windows prior to 148.0.7778.179 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Critical)
AnalysisAI
UI spoofing in Google Chrome on Windows (prior to 148.0.7778.179) enables a remote attacker who has already achieved renderer process compromise to deceive end users through a crafted HTML page, exploiting CWE-451 (UI Misrepresentation of Critical Information). Affected users on Windows running any Chrome version below 148.0.7778.179 are exposed to potential phishing or credential-harvesting scenarios dressed up as legitimate browser UI. No public exploit code or CISA KEV listing exists at time of analysis, but the Chromium team assigned a Critical internal severity - a meaningful contrast with the NVD CVSS score of 4.2 - suggesting the spoofing potential carries downstream risk beyond what the base score reflects.
Technical ContextAI
The vulnerability is rooted in CWE-451 (User Interface Misrepresentation of Critical Information), meaning the Chrome UI layer on Windows fails to correctly enforce trust boundaries between renderer-controlled content and the trusted browser chrome (address bar, security indicators, dialogs). Affected product per CPE is cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* for all versions prior to 148.0.7778.179 on Windows. The renderer process in Chromium is a sandboxed component that handles untrusted web content; under normal circumstances it cannot influence trusted UI elements. This vulnerability represents an inappropriate implementation that breaks that isolation specifically on Windows, allowing renderer-controlled HTML to manipulate or mimic browser-native UI surfaces. The Windows-specificity suggests a platform-dependent code path in Chrome's UI rendering or inter-process communication layer.
RemediationAI
Update Google Chrome on Windows to version 148.0.7778.179 or later - this is the vendor-confirmed patched release per the Chrome stable channel advisory (http://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html). Chrome's automatic update mechanism should deliver this without manual intervention for most enterprise and consumer deployments, but administrators managing fleet deployments via policy should verify version compliance. No workarounds are documented by the vendor for this issue. Since exploitation requires prior renderer compromise, organizations that enforce Chrome's built-in sandbox hardening, Site Isolation, and process-level security policies reduce the likelihood of satisfying the prerequisite attack condition - though these are not substitutes for patching. The 'Microsoft' tag in the intelligence data appears to be a metadata artifact and does not imply a Microsoft-issued patch or advisory is required.
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Same technique Information Disclosure
View allVendor StatusVendor
SUSE
Severity: Medium| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Fixed |
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External POC / Exploit Code
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