EUVD-2026-74466
GHSA-hc6j-jqf2-58g7
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network delivery via crafted extension; user must install it (UI:R); read-only limited confidentiality leak; no integrity or availability impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Information leak in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak cross-origin data via a crafted Chrome extension. (Chromium security severity: Low)
AnalysisAI
Cross-origin data leakage in Google Chrome's Core component (all versions prior to 153.0.8010.36) enables a remote attacker to exfiltrate data from origins other than the attacker-controlled context via a specially crafted Chrome extension. The extension acts as the delivery mechanism, causing Chrome's Core to expose cross-origin content it should otherwise isolate. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must install a crafted Chrome extension authored by the attacker - this is the primary and non-trivial prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate-to-low. … 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, which resolves this vulnerability per the stable channel release 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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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today