Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Lifecycle Timeline
4DescriptionCVE.org
Inappropriate implementation in WebUI in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to perform domain spoofing via a crafted domain name. (Chromium security severity: Low)
AnalysisAI
Domain spoofing in Google Chrome's WebUI component (versions prior to 149.0.7827.53) allows unauthenticated remote attackers to display a misleading domain name in the browser UI by delivering a crafted domain to a victim. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N) assigns High integrity impact, reflecting the ability to undermine a user's origin-trust decisions - the cornerstone of browser security. No public exploit code exists and EPSS sits at 0.03% (10th percentile), consistent with Google's own 'Low' Chromium severity rating; risk is realistic but non-urgent outside phishing-focused threat models.
Technical ContextAI
CWE-451 (User Interface Misrepresentation of Critical Information) identifies the root cause: Chrome's WebUI layer fails to correctly normalize or render certain crafted domain names, causing the address bar or UI chrome to display a domain that differs from the actual navigation target. This class of flaw typically involves internationalized domain name (IDN) homograph characters, Unicode bidirectional text overrides, or improper punycode handling - techniques that exploit gaps between how domain strings are stored and how they are visually presented to users. The affected component is the WebUI subsystem responsible for rendering security-sensitive origin information. No CPE string was included in the provided data, but the EUVD-confirmed affected product is desktop Chrome prior to version 149.0.7827.53 across all platforms.
RemediationAI
Update Google Chrome to version 149.0.7827.53 or later, which contains the vendor-released patch per the stable channel update advisory at http://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html. Chrome auto-updates by default on consumer systems; enterprise administrators using Chrome Browser Cloud Management or group policy should confirm managed devices have received the update. As a compensating control before patching, security teams can enforce proxy-based URL filtering to block known homograph or IDN-abusing domains, though this does not eliminate the underlying rendering flaw and introduces URL-inspection overhead. User awareness training to verify certificate details rather than relying solely on the address bar display is a low-friction supplementary control.
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Same technique Information Disclosure
View allVendor StatusVendor
SUSE
Severity: Medium| Product | Status |
|---|---|
| openSUSE Tumbleweed | Fixed |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-34686
GHSA-wj5p-x655-p89c