EUVD-2026-74389
GHSA-p9c3-6j92-cgx5
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted page (AV:N/AC:L/PR:N), user must visit page (UI:R), no scope change, confidentiality-only limited impact (C:L/I:N/A:N) - matches provided vector.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Missing authorization in FedCM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Missing authorization in Google Chrome's FedCM (Federated Credential Management) component, versions prior to 153.0.8010.36, enables a remote attacker to bypass the web origin policy by luring a user to a crafted HTML page. The flaw (CWE-862) results in limited confidentiality impact - an origin-policy bypass that could expose data scoped to that cross-origin context. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | User interaction is required: the victim must navigate to an attacker-controlled HTML page, meaning drive-by exploitation via phishing link, malvertising, or social engineering is the realistic vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The overall risk is low-to-moderate. … 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 | Upgrade Google Chrome to version 153.0.8010.36 or later, which contains the vendor-released patch addressing this missing authorization check in FedCM. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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