Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.

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Windows 11 22h2 Subscribe
Windows 11 22h2 Subscribe
Windows 11 23h2 Subscribe
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Windows Server 2022 Subscribe
Windows Server 2022 23h2 Subscribe
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Advisories
Source ID Title
EUVD EUVD EUVD-2025-20601 Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 13 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows Server 23h2
CPEs cpe:2.3:o:microsoft:windows_11_22H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows Server 23h2

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00047}

epss

{'score': 0.00052}


Tue, 15 Jul 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows Server 2022
Microsoft windows Server 2022 23h2
CPEs cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows Server 2022
Microsoft windows Server 2022 23h2

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00042}

epss

{'score': 0.00047}


Wed, 09 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Jul 2025 17:15:00 +0000

Type Values Removed Values Added
Description Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.
Title Windows SMB Server Spoofing Vulnerability
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-13T19:07:12.598Z

Reserved: 2025-05-26T17:09:49.055Z

Link: CVE-2025-48802

cve-icon Vulnrichment

Updated: 2025-07-09T13:53:50.092Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-08T17:15:43.130

Modified: 2025-07-15T14:32:10.307

Link: CVE-2025-48802

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses