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Microsoft Edge CVE-2026-45495

| EUVD-2026-30785 HIGH
Improper Input Validation (CWE-20)
2026-05-18 microsoft GHSA-52mp-27cf-fhvh
8.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
May 18, 2026 - 18:33 vuln.today

DescriptionNVD

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

AnalysisAI

Remote code execution in Microsoft Edge (Chromium-based) versions prior to 148.0.3967.70 allows attackers to execute arbitrary code on victim systems when a user is lured to a malicious webpage. The vulnerability stems from improper input validation (CWE-20) and carries a CVSS 3.1 score of 8.8 with high impact across confidentiality, integrity, and availability. …

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RemediationAI

Within 24 hours: Identify all systems running Microsoft Edge versions prior to 148.0.3967.70 across your organization. Within 7 days: Deploy Microsoft Edge version 148.0.3967.70 or later to all affected systems using standard patch management procedures. …

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CVE-2026-45495 vulnerability details – vuln.today

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