CVE-2026-9983

Description

Type Confusion in Skia in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Details

CVSS Score

8.8

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome < 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 Skia Type Confusion -->
<html>
<body>
    <canvas id="c" width="400" height="400"></canvas>
    <script>
        var canvas = document.getElementById('c');
        var ctx = canvas.getContext('2d');
        // Setup specific canvas states to trigger the vulnerability
        // This simulates the crafted HTML page mentioned in the report
        
        try {
            // Triggering Skia rendering path that leads to type confusion
            // Note: Actual exploit requires specific memory layout manipulation
            var gradient = ctx.createLinearGradient(0, 0, 100, 100);
            gradient.addColorStop(0, 'red');
            gradient.addColorStop(1, 'blue');
            
            ctx.fillStyle = gradient;
            ctx.fillRect(0, 0, 100, 100);
            
            // Further manipulation to cause type confusion
            var imgData = ctx.getImageData(0, 0, 100, 100);
            // ... (Specific exploit logic goes here)
            
        } catch (e) {
            console.error("Exploit attempt failed: " + e.message);
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9983
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9983
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9983/
[4] VulDB https://vuldb.com/cve/CVE-2026-9983
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/513001309

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9983", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:56.537", "lastModified": "2026-05-29T13:16:24.447", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Type Confusion in Skia in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-843"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/513001309", "source": "[email protected]"}]}}