EUVD-2026-79983
GHSA-88x4-r5w3-45vm
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Remote crafted page (AV:N/AC:L/PR:N), victim must visit it (UI:R), execution stays within the renderer sandbox (S:U) with high renderer-context C/I/A impact.
Primary rating from Vendor (google).
CVSS VectorVendor: google
Lifecycle Timeline
5DescriptionCVE.org
Type confusion in ServiceWorker in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Type confusion in Chrome's ServiceWorker implementation allows a remote attacker to achieve arbitrary code execution inside the renderer sandbox by enticing a victim to load a crafted HTML page in any Chrome build prior to 153.0.8010.47. Exploitation is unauthenticated (PR:N) but requires user interaction (UI:R) - the victim must visit or be redirected to attacker-controlled content - and the resulting code execution is confined to the sandbox (S:U), so full host compromise would require chaining a separate sandbox-escape flaw. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to actively load attacker-controlled content in a vulnerable Chrome build (<153.0.8010.47) - the UI:R requirement means a user must visit or be redirected to a crafted HTML page; there is no zero-click path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine patch-priority issue for any organization running Google Chrome, though the raw CVSS 8.8 slightly overstates standalone impact. … 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 | Vendor-released patch: upgrade Google Chrome to 153.0.8010.47 or later, as documented in the Stable Channel update advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html; because Chrome's updater typically stages the binary in the background, verify the reported version via chrome://version and fully restart the browser (and any long-lived Chromium-based processes) so the patched renderer is actually in use. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Vendor-released patch: 153.0.8010.47. …
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External POC / Exploit Code
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