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CVE-2026-20925 Details

Description

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20925	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-73	External Control of File Name or Path	[email protected]

Affected Products

Product	Versions
microsoft windows 10 1607	< 10.0.14393.8783
CPE cpe:2.3:o:microsoft:windows_10_1607:::::::x64:* cpe:2.3:o:microsoft:windows_10_1607:::::::x86:* Remediation No remediation found in references.
microsoft windows 10 1809	< 10.0.17763.8276
CPE cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::x86:* Remediation No remediation found in references.
microsoft windows 10 21h2	< 10.0.19044.6809
CPE cpe:2.3:o:microsoft:windows_10_21h2:::::::: Remediation No remediation found in references.
microsoft windows 10 22h2	< 10.0.19045.6809
CPE cpe:2.3:o:microsoft:windows_10_22h2:::::::: Remediation No remediation found in references.
microsoft windows 11 23h2	< 10.0.22631.6491
CPE cpe:2.3:o:microsoft:windows_11_23h2:::::::: Remediation No remediation found in references.
microsoft windows 11 24h2	< 10.0.26100.7623
CPE cpe:2.3:o:microsoft:windows_11_24h2:::::::: Remediation No remediation found in references.
microsoft windows 11 25h2	< 10.0.26200.7623
CPE cpe:2.3:o:microsoft:windows_11_25h2:::::::: Remediation No remediation found in references.
microsoft windows server 2008	r2 sp1
CPE cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x64:* cpe:2.3:o:microsoft:windows_server_2008:-:sp2:::::x86:* cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::x64:* Remediation No remediation found in references.
microsoft windows server 2012	r2
CPE cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* Remediation No remediation found in references.
microsoft windows server 2016	< 10.0.14393.8783
CPE cpe:2.3:o:microsoft:windows_server_2016:::::::: Remediation No remediation found in references.
microsoft windows server 2019	< 10.0.17763.8276
CPE cpe:2.3:o:microsoft:windows_server_2019:::::::: Remediation No remediation found in references.
microsoft windows server 2022	< 10.0.20348.4648
CPE cpe:2.3:o:microsoft:windows_server_2022:::::::: Remediation No remediation found in references.
microsoft windows server 2022 23h2	< 10.0.25398.2092
CPE cpe:2.3:o:microsoft:windows_server_2022_23h2:::::::: Remediation No remediation found in references.
microsoft windows server 2025	< 10.0.26100.32230
CPE cpe:2.3:o:microsoft:windows_server_2025:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jul 30, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 16, 2026	Initial Analysis	[email protected]
Jan 13, 2026	New CVE Received	[email protected]

CVE-2026-20925 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

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Change History

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