EUVD-2026-74378
GHSA-c4hv-pjg2-qwqx
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted HTML requiring victim interaction (UI:R); cross-origin data disclosure is partial (C:L) with no integrity or availability impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Information leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Cross-origin data leakage via Google Chrome's ServiceWorker implementation allows remote attackers to obtain information from other origins by serving a crafted HTML page to a victim. Affected versions are all Chrome releases prior to 153.0.8010.36 across desktop platforms. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must actively visit an attacker-controlled or attacker-influenced HTML page (UI:R); exploitation cannot occur passively without this interaction. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 score (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N) accurately reflects the bounded nature of this vulnerability: exploitation requires user interaction with a crafted page, and the confidentiality impact is partial. … 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, available via the Chrome stable channel update 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
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