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Google Chrome CVE-2026-87458

| EUVDEUVD-2026-74377 MEDIUM
User Interface (UI) Misrepresentation of Critical Information (CWE-451)
2026-09-09 Chrome GHSA-gv39-hwcf-rxx8
5.4
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
vuln.today AI
5.4 MEDIUM

UI spoofing enables credential theft (C:L) and misdirected user actions against fake prompts (I:L); A:L from the provided score is not supported by a misrepresentation-class vulnerability.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Sep 09, 2026 - 20:33 vuln.today
Patch available
Sep 09, 2026 - 01:03 EUVD
CVE Published
Sep 09, 2026 - 00:09 cve.org
MEDIUM 5.4
CVE Published
Sep 09, 2026 - 00:09 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

UI misrepresentation in Geometry in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

UI element spoofing in Google Chrome's Geometry rendering component (versions prior to 153.0.8010.36) enables a remote attacker to misrepresent browser chrome and UI elements through a crafted HTML page, requiring the victim to visit the malicious page via social engineering. The vulnerability, classified under CWE-451 (User Interface Misrepresentation of Critical Information), allows an attacker to render fake address bars, security dialogs, or browser-level indicators in a way that deceives users into disclosing credentials or taking unintended actions. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation The victim must actively navigate to an attacker-controlled HTML page - social engineering (phishing link, malicious redirect, or malvertising) is a mandatory prerequisite captured by UI:R in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 5.4 (Medium) appropriately reflects the social-engineering dependency encoded in UI:R - the attacker cannot exploit this passively and must induce the victim to visit a crafted page. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update Google Chrome to version 153.0.8010.36 or later, the stable-channel release that resolves this vulnerability per https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-87458 vulnerability details – vuln.today

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