Vulnerability Report

CVE-2026-20925

Title: External control of file name or path in Windows NTLM

Arbitrary File Access

Proof Of Concept

No public PoC currently indexed for CVE-2026-20925.

CWE Category CWE-73

Published Date Jan 13, 2026

Modified Date Jan 16, 2026

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

17.31%

Vulnerability Summary

CVE-2026-20925: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Impacted Vendors

microsoft 14

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20925

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-20925 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

January 16, 2026 MODIFIED

Vulnerability data updated via NVD.

January 16, 2026 MODIFIED

Vulnerability data updated via NVD.

January 14, 2026 MODIFIED

Vulnerability data updated via NVD.

January 13, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.