EUVD-2026-74327
GHSA-cpqr-c57w-r93w
Severity by source
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
AC:H reflects two-stage chain requiring prior renderer compromise; S:C and full C/I/A capture code execution outside the sandbox boundary.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Confused deputy in DataTransfer in Google Chrome 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: Medium)
AnalysisAI
Sandbox escape via confused deputy in Chrome's DataTransfer component allows an attacker who has already compromised the renderer process to execute arbitrary code outside the sandbox by directing the victim to a crafted HTML page. Fixed in Chrome 153.0.8010.36, this is classified 'Medium' severity by the Chromium team despite the CVSS 8.3 score with full scope change (S:C, C:H/I:H/A:H), reflecting that renderer pre-compromise is required. …
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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 compromise the Chrome renderer process, which itself requires a separate exploitable vulnerability in the renderer; (2) the victim must visit a crafted HTML page (UI:R) that triggers both the renderer compromise and the DataTransfer confused deputy abuse. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is meaningfully lower than the raw CVSS 8.3 suggests. … 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: Chrome 153.0.8010.36. … Detailed patch versions, workarounds, and compensating controls in full report. |
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