EUVD-2026-74315
GHSA-h9pm-67gr-362r
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Network-delivered crafted HTML with mandatory user interaction (UI:R), no privileges (PR:N); sandbox escape crosses a trust boundary (S:C) yielding full code execution (C/I/A:H).
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Incorrect reference resolution in FileSystem in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Sandbox-escape remote code execution in Google Chrome before 153.0.8010.36 stems from incorrect reference resolution in the FileSystem component, letting a remote attacker who lures a victim into visiting a crafted HTML page run arbitrary code outside the renderer sandbox. Reported by Google's own Chrome team and patched in the 2026-09 stable-channel desktop update; no public exploit is identified and SSVC lists exploitation as none, with EPSS at a modest 0.32%. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to be socially engineered into visiting a crafted HTML page in an unpatched Chrome build (prior to 153.0.8010.36) - the CVSS UI:R confirms mandatory user interaction. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, 9.6) reflects a network-reachable, unauthenticated, scope-changing sandbox escape - but the UI:R element (the victim must be socially engineered into loading a malicious page) meaningfully caps mass-exploitability, and the S:C/C:H/I:H/A:H trio is what drives the high number. … 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 153.0.8010.36 or later (Vendor-released patch: 153.0.8010.36) - verify via chrome://settings/help, which fetches and applies the Stable-channel update, then relaunch to complete installation; in managed fleets, push the update through your enterprise update policy/MDM and confirm clients report the patched build. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Within 24 hours, inventory all Chrome installations across your environment and identify current versions. …
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External POC / Exploit Code
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