CVE-2025-53154

Name: CVE-2025-53154
Creator: NVD / NIST
Published: 2025-08-12T18:15:40.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2025-53154 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.40%

31.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10 1507	< 10.0.10240.21100	—
Microsoft	Windows 10 1607	< 10.0.14393.8330	—
Microsoft	Windows 10 1809	< 10.0.17763.7678	—
Microsoft	Windows 10 21h2	< 10.0.19044.6216	—
Microsoft	Windows 10 22h2	< 10.0.19045.6216	—
Microsoft	Windows 11 22h2	< 10.0.22621.5768	—
Microsoft	Windows 11 23h2	< 10.0.22631.5768	—
Microsoft	Windows 11 24h2	< 10.0.26100.4851	—
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Server 2016	< 10.0.14393.8330	—
Microsoft	Windows Server 2019	< 10.0.17763.7678	—
Microsoft	Windows Server 2022	< 10.0.20348.3989	—
Microsoft	Windows Server 2022 23h2	< 10.0.25398.1791	—
Microsoft	Windows Server 2025	< 10.0.26100.4851	—

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53154Vendor Advisory

Timeline

Published: Aug 12, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-53154?

Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-53154?

CVE-2025-53154 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53154?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53154?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST