MSRC_CVE-2026-20925

Vulnerability from csaf_microsoft - Published: 2026-01-13 08:00 - Updated: 2026-01-13 08:00
Summary
NTLM Hash Disclosure Spoofing Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-73 - External Control of File Name or Path
Affected products
Product Identifier Version Remediation
Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23717
Windows Server 2008 for 32-bit Systems Service Pack 2
6.0.6003.23717
Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23717
Windows Server 2008 for x64-based Systems Service Pack 2
6.0.6003.23717
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23717
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
6.0.6003.23717
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.28117
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
6.1.7601.28117
Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.28117
Windows Server 2008 R2 for x64-based Systems Service Pack 1
6.1.7601.28117
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23717
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
6.0.6003.23717
Windows Server 2012 6.2.9200.25868
Windows Server 2012
6.2.9200.25868
Windows Server 2012 (Server Core installation) 6.2.9200.25868
Windows Server 2012 (Server Core installation)
6.2.9200.25868
Windows Server 2012 R2 6.3.9600.22968
Windows Server 2012 R2
6.3.9600.22968
Windows Server 2012 R2 (Server Core installation) 6.3.9600.22968
Windows Server 2012 R2 (Server Core installation)
6.3.9600.22968
Windows Server 2016 10.0.14393.8783
Windows Server 2016
10.0.14393.8783
Windows 10 Version 1607 for 32-bit Systems 10.0.14393.8783
Windows 10 Version 1607 for 32-bit Systems
10.0.14393.8783
Windows 10 Version 1607 for x64-based Systems 10.0.14393.8783
Windows 10 Version 1607 for x64-based Systems
10.0.14393.8783
Windows Server 2016 (Server Core installation) 10.0.14393.8783
Windows Server 2016 (Server Core installation)
10.0.14393.8783
Windows 10 Version 1809 for 32-bit Systems 10.0.17763.8276
Windows 10 Version 1809 for 32-bit Systems
10.0.17763.8276
Windows 10 Version 1809 for x64-based Systems 10.0.17763.8276
Windows 10 Version 1809 for x64-based Systems
10.0.17763.8276
Windows Server 2019 10.0.17763.8276
Windows Server 2019
10.0.17763.8276
Windows Server 2019 (Server Core installation) 10.0.17763.8276
Windows Server 2019 (Server Core installation)
10.0.17763.8276
Windows Server 2022 10.0.20348.4648
Windows Server 2022
10.0.20348.4648
Windows Server 2022 (Server Core installation) 10.0.20348.4648
Windows Server 2022 (Server Core installation)
10.0.20348.4648
Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.6809
Windows 10 Version 21H2 for 32-bit Systems
10.0.19044.6809
Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.6809
Windows 10 Version 21H2 for ARM64-based Systems
10.0.19044.6809
Windows 10 Version 21H2 for x64-based Systems 10.0.19044.6809
Windows 10 Version 21H2 for x64-based Systems
10.0.19044.6809
Windows 10 Version 22H2 for x64-based Systems 10.0.19045.6809
Windows 10 Version 22H2 for x64-based Systems
10.0.19045.6809
Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.6809
Windows 10 Version 22H2 for ARM64-based Systems
10.0.19045.6809
Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.6809
Windows 10 Version 22H2 for 32-bit Systems
10.0.19045.6809
Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6491
Windows 11 Version 23H2 for ARM64-based Systems
10.0.22631.6491
Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6491
Windows 11 Version 23H2 for x64-based Systems
10.0.22631.6491
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2092
Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.2092
Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7623
Windows 11 Version 24H2 for ARM64-based Systems
10.0.26100.7623
Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7623
Windows 11 Version 24H2 for x64-based Systems
10.0.26100.7623
Windows Server 2025 10.0.26100.32230
Windows Server 2025
10.0.26100.32230
Windows Server 2025 (Server Core installation) 10.0.26100.32230
Windows Server 2025 (Server Core installation)
10.0.26100.32230
Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7623
Windows 11 Version 25H2 for ARM64-based Systems
10.0.26200.7623
Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7623
Windows 11 Version 25H2 for x64-based Systems
10.0.26200.7623
Product Identifier Version Remediation
Windows 11 Version 25H2 for x64-based Systems <10.0.26200.7623
Windows 11 Version 25H2 for x64-based Systems
<10.0.26200.7623
Vendor Fix fix
Windows 11 Version 25H2 for ARM64-based Systems <10.0.26200.7623
Windows 11 Version 25H2 for ARM64-based Systems
<10.0.26200.7623
Vendor Fix fix
Windows Server 2025 (Server Core installation) <10.0.26100.32230
Windows Server 2025 (Server Core installation)
<10.0.26100.32230
Vendor Fix fix
Windows Server 2025 <10.0.26100.32230
Windows Server 2025
<10.0.26100.32230
Vendor Fix fix
Windows 11 Version 24H2 for x64-based Systems <10.0.26100.7623
Windows 11 Version 24H2 for x64-based Systems
<10.0.26100.7623
Vendor Fix fix
Windows 11 Version 24H2 for ARM64-based Systems <10.0.26100.7623
Windows 11 Version 24H2 for ARM64-based Systems
<10.0.26100.7623
Vendor Fix fix
Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.2092
Windows Server 2022, 23H2 Edition (Server Core installation)
<10.0.25398.2092
Vendor Fix fix
Windows 11 Version 23H2 for x64-based Systems <10.0.22631.6491
Windows 11 Version 23H2 for x64-based Systems
<10.0.22631.6491
Vendor Fix fix
Windows 11 Version 23H2 for ARM64-based Systems <10.0.22631.6491
Windows 11 Version 23H2 for ARM64-based Systems
<10.0.22631.6491
Vendor Fix fix
Windows 10 Version 22H2 for 32-bit Systems <10.0.19045.6809
Windows 10 Version 22H2 for 32-bit Systems
<10.0.19045.6809
Vendor Fix fix
Windows 10 Version 22H2 for ARM64-based Systems <10.0.19045.6809
Windows 10 Version 22H2 for ARM64-based Systems
<10.0.19045.6809
Vendor Fix fix
Windows 10 Version 22H2 for x64-based Systems <10.0.19045.6809
Windows 10 Version 22H2 for x64-based Systems
<10.0.19045.6809
Vendor Fix fix
Windows 10 Version 21H2 for x64-based Systems <10.0.19044.6809
Windows 10 Version 21H2 for x64-based Systems
<10.0.19044.6809
Vendor Fix fix
Windows 10 Version 21H2 for ARM64-based Systems <10.0.19044.6809
Windows 10 Version 21H2 for ARM64-based Systems
<10.0.19044.6809
Vendor Fix fix
Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.6809
Windows 10 Version 21H2 for 32-bit Systems
<10.0.19044.6809
Vendor Fix fix
Windows Server 2022 (Server Core installation) <10.0.20348.4648
Windows Server 2022 (Server Core installation)
<10.0.20348.4648
Vendor Fix fix
Windows Server 2022 <10.0.20348.4648
Windows Server 2022
<10.0.20348.4648
Vendor Fix fix
Windows Server 2019 (Server Core installation) <10.0.17763.8276
Windows Server 2019 (Server Core installation)
<10.0.17763.8276
Vendor Fix fix
Windows Server 2019 <10.0.17763.8276
Windows Server 2019
<10.0.17763.8276
Vendor Fix fix
Windows 10 Version 1809 for x64-based Systems <10.0.17763.8276
Windows 10 Version 1809 for x64-based Systems
<10.0.17763.8276
Vendor Fix fix
Windows 10 Version 1809 for 32-bit Systems <10.0.17763.8276
Windows 10 Version 1809 for 32-bit Systems
<10.0.17763.8276
Vendor Fix fix
Windows Server 2016 (Server Core installation) <10.0.14393.8783
Windows Server 2016 (Server Core installation)
<10.0.14393.8783
Vendor Fix fix
Windows 10 Version 1607 for x64-based Systems <10.0.14393.8783
Windows 10 Version 1607 for x64-based Systems
<10.0.14393.8783
Vendor Fix fix
Windows 10 Version 1607 for 32-bit Systems <10.0.14393.8783
Windows 10 Version 1607 for 32-bit Systems
<10.0.14393.8783
Vendor Fix fix
Windows Server 2016 <10.0.14393.8783
Windows Server 2016
<10.0.14393.8783
Vendor Fix fix
Windows Server 2012 R2 (Server Core installation) <6.3.9600.22968
Windows Server 2012 R2 (Server Core installation)
<6.3.9600.22968
Vendor Fix fix
Windows Server 2012 R2 <6.3.9600.22968
Windows Server 2012 R2
<6.3.9600.22968
Vendor Fix fix
Windows Server 2012 (Server Core installation) <6.2.9200.25868
Windows Server 2012 (Server Core installation)
<6.2.9200.25868
Vendor Fix fix
Windows Server 2012 <6.2.9200.25868
Windows Server 2012
<6.2.9200.25868
Vendor Fix fix
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) <6.0.6003.23717
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
<6.0.6003.23717
Vendor Fix fix
Vendor Fix fix
Windows Server 2008 R2 for x64-based Systems Service Pack 1 <6.1.7601.28117
Windows Server 2008 R2 for x64-based Systems Service Pack 1
<6.1.7601.28117
Vendor Fix fix
Vendor Fix fix
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) <6.1.7601.28117
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
<6.1.7601.28117
Vendor Fix fix
Vendor Fix fix
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) <6.0.6003.23717
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
<6.0.6003.23717
Vendor Fix fix
Vendor Fix fix
Windows Server 2008 for x64-based Systems Service Pack 2 <6.0.6003.23717
Windows Server 2008 for x64-based Systems Service Pack 2
<6.0.6003.23717
Vendor Fix fix
Vendor Fix fix
Windows Server 2008 for 32-bit Systems Service Pack 2 <6.0.6003.23717
Windows Server 2008 for 32-bit Systems Service Pack 2
<6.0.6003.23717
Vendor Fix fix
Vendor Fix fix
Threats
Impact Spoofing
Exploit Status Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
Acknowledgments
<a href="https://www.linkedin.com/in/richard-medlin1/">Richard Medlin (BoDYRoTx)</a>

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            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26",
            "27",
            "28",
            "29",
            "30",
            "31",
            "32",
            "33",
            "34",
            "35"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Spoofing"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "NTLM Hash Disclosure Spoofing Vulnerability"
    }
  ]
}


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Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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