EUVD-2026-74430
GHSA-gc8v-g84j-mgf9
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Network delivery via crafted HTML, no attacker privileges needed, user interaction required via social engineering; confidentiality-only impact with no integrity or availability effect.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Incorrect authorization in Sources in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to leak sensitive information via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Sensitive information disclosure in Google Chrome's Sources component exposes arbitrary sensitive data to remote attackers who can direct a user to a crafted HTML page. The flaw, fixed in Chrome 153.0.8010.36, stems from incorrect authorization checks (CWE-863) in the Sources subsystem - notably the same release that patched a cluster of higher-severity sandbox-escape RCEs. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to visit an attacker-controlled HTML page, meaning social engineering (phishing, malicious ad, forum link) is a prerequisite - the CVSS UI:R metric and the description's explicit mention of social engineering both confirm this. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is assessed as moderate-low despite the NVD CVSS 6.5 (C:H). … 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 to Google Chrome 153.0.8010.36 or later, released via the Chrome stable channel on or around September 8, 2026. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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