CVE-2025-53141 Details
Description
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
A null pointer dereference vulnerability has been identified in the Windows Ancillary Function Driver for WinSock. This vulnerability allows an authorized attacker to locally elevate privileges. The issue arises from improper handling of null pointers, which could be exploited to gain higher-level permissions on the affected system.
Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates are available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5063877, KB5063950, KB5063906, KB5063947, KB5063888, KB5063871, KB5063889, KB5063878, KB5064010, KB5063709, KB5063875, and KB5063899.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 12, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53141 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1507 | < 10.0.10240.21100 |
CPE
Remediation
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| microsoft windows 10 1607 | < 10.0.14393.8330 |
CPE
Remediation
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| microsoft windows 10 1809 | < 10.0.17763.7678 |
CPE
Remediation
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| microsoft windows 10 21h2 | < 10.0.19044.6216 |
CPE
Remediation
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| microsoft windows 10 22h2 | < 10.0.19045.6216 |
CPE
Remediation
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| microsoft windows 11 22h2 | < 10.0.22621.5768 |
CPE
Remediation
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| microsoft windows 11 23h2 | < 10.0.22631.5768 |
CPE
Remediation
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| microsoft windows 11 24h2 | < 10.0.26100.4851 |
CPE
Remediation
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| microsoft windows server 2008 | r2 sp1 |
CPE
Remediation
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| microsoft windows server 2012 | r2 |
CPE
Remediation
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| microsoft windows server 2016 | < 10.0.14393.8330 |
CPE
Remediation
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| microsoft windows server 2019 | < 10.0.17763.7678 |
CPE
Remediation
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| microsoft windows server 2022 | < 10.0.20348.3989 |
CPE
Remediation
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| microsoft windows server 2022 23h2 | < 10.0.25398.1791 |
CPE
Remediation
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| microsoft windows server 2025 | < 10.0.26100.4851 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Aug 18, 2025 | Initial Analysis | [email protected] |
| Aug 12, 2025 | New CVE Received | [email protected] |