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Google Chrome CVE-2026-87463

| EUVDEUVD-2026-74452 MEDIUM
Incorrect Authorization (CWE-863)
2026-09-09 Chrome GHSA-4r4m-3xf7-fv59
4.8
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
4.8 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
vuln.today AI
3.7 LOW

Address bar spoofing is an integrity-only impact (I:L); no confidentiality or availability impact results directly from the spoof itself.

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

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

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

Lifecycle Timeline

5
Metadata Corrected
Sep 09, 2026 - 20:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 09, 2026 - 20:31 vuln.today
Patch available
Sep 09, 2026 - 01:03 EUVD
CVE Published
Sep 09, 2026 - 00:10 cve.org
MEDIUM 4.8
CVE Published
Sep 09, 2026 - 00:10 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Incorrect authorization in Certificate in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to potentially spoof address bar via crafted network traffic. (Chromium security severity: Low)

AnalysisAI

Address bar spoofing in Google Chrome for Android (all versions before 153.0.8010.36) exploits incorrect certificate authorization logic (CWE-863), allowing a remote attacker who can deliver crafted network traffic - such as via a man-in-the-middle position - to cause the browser to display a false origin in the address bar. The primary risk is phishing: users who trust the spoofed address bar may submit credentials or sensitive data to an attacker-controlled endpoint. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to occupy a man-in-the-middle network position capable of delivering crafted TLS/certificate-related network traffic to the target device - for example, a rogue access point, ARP spoofing on a shared LAN, or DNS hijacking combined with a TLS interception capability. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is low despite Chrome's massive install base. … 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 on Android to version 153.0.8010.36 or later via the Google Play Store or Chrome's built-in auto-update mechanism; this is the vendor-confirmed fix per the 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-2026-87463 vulnerability details – vuln.today

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