Security Vulnerability Report
中文
CVE-2026-45492 CVSS 5.4 MEDIUM

CVE-2026-45492

Published: 2026-05-18 18:17:38
Last Modified: 2026-05-19 15:03:24

Description

Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

CVSS Details

CVSS Score
5.4
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Configurations (Affected Products)

cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:* - VULNERABLE
Microsoft Edge (Chromium-based) (版本 < 2026年5月安全更新)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<!-- // PoC for CVE-2026-45492: Microsoft Edge Security Feature Bypass // Description: Demonstrates improper input validation leading to a bypass. --> <html> <head><title>PoC CVE-2026-45492</title></head> <body> <script> // Crafted payload to trigger the input validation issue var malicious_input = "<script>alert('Security Feature Bypass')</script>"; // Simulate the vulnerable function call function triggerVulnerability(data) { console.log("Sending payload to vulnerable component: " + data); // In a real scenario, this would bypass the security check document.getElementById('output').innerHTML = data; } // Execute PoC triggerVulnerability(malicious_input); </script> <div id="output"></div> </body> </html>

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-45492", "sourceIdentifier": "[email protected]", "published": "2026-05-18T18:17:37.897", "lastModified": "2026-05-19T15:03:24.000", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-20"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*", "versionEndExcluding": "148.0.3967.70", "matchCriteriaId": "219AF9F0-FF7A-42E6-82A9-6D4D23FE0655"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45492", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}