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Google Chrome CVE-2026-87445

| EUVDEUVD-2026-74372 MEDIUM
User Interface (UI) Misrepresentation of Critical Information (CWE-451)
2026-09-09 Chrome GHSA-6qj4-9cc9-qhgm
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 phishing (C:L) and misrepresentation of session trust state (I:L); no availability impact for a display-only misrepresentation flaw.

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

5
Metadata Corrected
Sep 09, 2026 - 20:40 vuln.today
tag: Information Disclosure removed
Analysis Generated
Sep 09, 2026 - 20:34 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 Session in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

UI spoofing in Google Chrome's Session component (all versions prior to 153.0.8010.36) allows a remote unauthenticated attacker to misrepresent browser UI elements - such as session state indicators or security context - by delivering a crafted HTML page to a victim. The impact is deception-oriented: a user can be misled about the true security or session context of an interaction, enabling downstream phishing or session confusion attacks. …

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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 navigate to an attacker-controlled page containing the crafted HTML - requiring phishing, malicious advertising, or a redirect chain to deliver the payload. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 5.4 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L) aligns with Chromium's own 'Medium' severity classification - an unusually close agreement for a Chrome advisory, and consistent with the limited direct impact of UI spoofing. … 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 - this is the vendor-released patch per the Chrome Releases stable channel advisory at 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-2026-87445 vulnerability details – vuln.today

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