EUVD-2026-74513
GHSA-q6r2-g5r7-2jfx
Severity by source
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Renderer pre-compromise needed (AC:H); user must visit crafted page (UI:R); sandbox escape gives full subsequent-system impact (S:C, C/I/A:H); no auth required (PR:N).
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Use after free in WebPackaging 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: High)
AnalysisAI
Use-after-free in Chrome's WebPackaging component enables full sandbox escape to arbitrary code execution for attackers who have already established a foothold in the renderer process. All Chrome desktop releases prior to 153.0.8010.36 are affected. …
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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 have already compromised the Chrome renderer process, typically via a separate vulnerability; (2) the victim must visit or be directed to a crafted HTML page that triggers the WebPackaging use-after-free in the compromised renderer session. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H accurately captures a two-stage exploitation model: AC:H reflects the prerequisite renderer compromise, UI:R reflects the need for a victim to visit a crafted HTML page, and S:C confirms this is a sandbox escape rather than a contained renderer flaw. … 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: Google Chrome 153.0.8010.36. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, publish an urgent security bulletin to all staff highlighting that unpatched Chrome on desktop systems exposes them to critical sandbox-escape attacks, and verify your patch deployment method is active. …
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Same weakness CWE-416 – Use After Free
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External POC / Exploit Code
Leaving vuln.today