EUVD-2026-74434
GHSA-rh49-gqqx-hgqf
Severity by source
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
AC:H reflects mandatory renderer pre-compromise; UI:R for user page visit; S:C and full C/I/A for sandbox escape to OS level.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Incorrect reference resolution in Storage in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Sandbox escape in Google Chrome on Windows (versions prior to 153.0.8010.36) allows a remote attacker who has already compromised the renderer process to execute arbitrary code outside the Chrome sandbox via a crafted HTML page. The flaw resides in the Storage component's incorrect reference resolution (CWE-706), making this a second-stage exploit that chains with a separate renderer compromise to achieve full sandbox breakout. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two sequential conditions: (1) the attacker must first achieve renderer process compromise through a separate vulnerability - this CVE alone does not provide initial renderer access; and (2) the victim Windows user must visit or be directed to a crafted HTML page while using Chrome prior to 153.0.8010.36. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.3 (AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H) correctly captures the two-stage nature: network-delivered, user-initiated (UI:R), but with high complexity (AC:H) because the attacker must have already obtained a renderer compromise before this bug can be leveraged. … 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 Google Chrome on all Windows systems to version 153.0.8010.36 or later, available via the stable channel update documented at 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, notify IT and endpoint security teams to begin testing Chrome version 153.0.8010.36 for enterprise compatibility. …
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External POC / Exploit Code
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