EUVD-2026-65853
GHSA-jwpm-4vmf-pv72
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Remote crafted page (AV:N) but exploitation is only 'potential' and needs social engineering plus a sandbox escape, so AC:H and UI:R; PR:N and S:C for the sandbox boundary crossed.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
Incorrect reference resolution in FileSystem in Google Chrome prior to 152.0.7977.65 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 in Google Chrome's FileSystem component before version 152.0.7977.65 lets a remote attacker who lures a victim to a crafted HTML page potentially run arbitrary code outside the renderer sandbox. The flaw stems from incorrect reference resolution (CWE-706) and requires user interaction via social engineering. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to actively open or interact with an attacker-crafted HTML page (CVSS UI:R plus the description's explicit 'leveraging social engineering'), so it cannot be triggered fully unattended - the user must be lured to malicious content. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals conflict and should be weighed carefully. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious HTML page that abuses the incorrect reference resolution in Chrome's FileSystem code and uses social engineering (phishing link, malvertising, or a compromised site) to get a victim to open it in a vulnerable Chrome build. If successful, the page escapes the renderer sandbox and executes attacker-controlled code on the victim's machine. … |
| Remediation | Vendor-released patch: Google Chrome 152.0.7977.65 (Stable channel) - upgrade to that version or later immediately; Chrome typically auto-updates, so verify the running version via chrome://settings/help and relaunch to apply. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory Chrome deployments across endpoints and identify users and systems at highest risk (sensitive data access, customer-facing roles). …
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External POC / Exploit Code
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