EUVD-2026-74509
GHSA-r57m-gfr8-9hmf
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Web-delivered, unauthenticated, low-complexity bug requiring a page visit (UI:R); sandbox escape crosses a trust boundary (S:C) with full host-level C/I/A impact.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Improper validation of array index in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Sandbox-escaping remote code execution in Google Chrome before 153.0.8010.36 stems from improper array-index validation (CWE-129) in ANGLE, Chrome's graphics abstraction layer. A remote attacker who lures a victim to a crafted HTML page can potentially corrupt memory and execute arbitrary code outside the renderer sandbox. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to open or be redirected to attacker-controlled HTML in a vulnerable Chrome build (before 153.0.8010.36), so user interaction is mandatory (UI:R) - there is no server-side or zero-click vector here. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 9.6 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H) reflects a network-reachable, low-complexity, unauthenticated bug requiring only that the victim open a page, with a scope change consistent with escaping the sandbox. … 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: update Google Chrome to 153.0.8010.36 or later via the Stable channel (chrome://settings/help forces the update check and relaunch), per the Chrome Releases advisory (https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Audit your environment to identify all Chrome deployments and current version distribution, focusing on instances below version 153.0.8010.36. …
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Same weakness CWE-129 – Improper Validation of Array Index
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External POC / Exploit Code
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