EUVD-2026-65794
GHSA-9hwr-29v4-x75x
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Remote crafted page needs only a visit (UI:R, PR:N, AC:L); sandbox escape justifies S:C and the resulting code execution yields full C/I/A impact.
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
Buffer overflow in WebGL in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Remote code execution in Google Chrome desktop before 152.0.7977.65 stems from a heap buffer overflow in the WebGL component, and critically allows an attacker to execute code OUTSIDE the renderer sandbox (scope change) via a single crafted HTML page. Any user who browses to a malicious or compromised site is at risk, requiring only that the page load and render WebGL content. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to load a crafted HTML page in a vulnerable Chrome build (before 152.0.7977.65) with WebGL processing reachable - i.e., WebGL/hardware-accelerated rendering enabled, which is the default configuration. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals here are partly in tension and should be read together. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a malicious web page (or injects into an ad/compromised site) containing crafted WebGL content and lures a victim to open it. When the victim's pre-152.0.7977.65 Chrome renders the page, the heap overflow in WebGL is triggered and leveraged to escape the sandbox and run attacker code with the browser's privileges. … |
| Remediation | Vendor-released patch: update Google Chrome to 152.0.7977.65 or later via the Chrome Stable channel; restart the browser to complete the update (Chrome updates in the background but the new binary loads only after relaunch). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, communicate a Chrome update alert to all users and IT administrators, assess current Chrome versions in deployment, and consider temporarily disabling WebGL functionality via group policy as interim control. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
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External POC / Exploit Code
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