CVE-2025-49740

| EUVD-2025-20537 HIGH
2025-07-08 [email protected]
8.8
CVSS 3.1
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CVSS Vector

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

3
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20537
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
CVE Published
Jul 08, 2025 - 17:16 nvd
HIGH 8.8

Tags

Microsoft Authentication Bypass Windows Server 2019 Windows 10 22h2 Windows Server 2025 Windows 10 1507 Windows 10 1607 Windows 11 24h2 Windows 11 22h2 Windows Server 2022 Windows Server 2016 Windows 10 1809 Windows 11 23h2 Windows 10 21h2 Windows Server 2022 23h2 Windows

Description

Protection mechanism failure in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

Analysis

Protection mechanism failure in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

Technical Context

This vulnerability is classified as Protection Mechanism Failure (CWE-693).

Affected Products

Affected products: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809

Remediation

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: 0

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CVE-2025-49740 vulnerability details – vuln.today
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