CVE-2026-8585

Description

Inappropriate implementation in Media in Google Chrome on iOS prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome (iOS) < 148.0.7778.168

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- Proof of Concept for CVE-2026-8585 -->
<!-- Target: Google Chrome on iOS < 148.0.7778.168 -->
<!-- Description: Triggers out-of-bounds read in Media via crafted HTML -->

<html>
<head>
    <title>CVE-2026-8585 PoC</title>
</head>
<body>
    <h1>CVE-2026-8585 Chrome iOS OOB Read PoC</h1>
    <!-- Malicious media element to trigger the vulnerability -->
    <!-- Specific payload required to hit the vulnerable code path -->
    <video controls>
        <source src="malicious_payload.mp4" type="video/mp4">
        Your browser does not support the video tag.
    </video>
    
    <script>
        // Attempt to trigger renderer process interaction
        console.log('Attempting to exploit CVE-2026-8585...');
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8585
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8585
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8585/
[4] VulDB https://vuldb.com/cve/CVE-2026-8585
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/499052720

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8585", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:20.900", "lastModified": "2026-05-15T15:16:56.310", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Media in Google Chrome on iOS prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Medium)"}], "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:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-693"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/499052720", "source": "[email protected]"}]}}