Check Point Advisories

Microsoft Windows Type Confusion (CVE-2025-53144)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-17301
Date Published:	24 Feb 2026
Severity:	High
Last Updated:	Tuesday 30 June, 2026
Source:
Industry Reference:	CVE-2025-53144
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 10 1507 x64 prior to version 10.0.10240.21100 Microsoft Windows 10 1507 x86 prior to version 10.0.10240.21100 Microsoft Windows 10 1607 x64 prior to version 10.0.14393.8330 Microsoft Windows 10 1607 x86 prior to version 10.0.14393.8330 Microsoft Windows 10 1809 x64 prior to version 10.0.17763.7678 Microsoft Windows 10 1809 x86 prior to version 10.0.17763.7678 Microsoft Windows 10 21h2 prior to version 10.0.19044.6216 Microsoft Windows 10 22h2 prior to version 10.0.19045.6216 Microsoft Windows 11 22h2 prior to version 10.0.22621.5768 Microsoft Windows 11 23h2 prior to version 10.0.22631.5768 Microsoft Windows 11 24h2 prior to version 10.0.26100.4851 Microsoft Windows Server 2008 sp2 x64 Microsoft Windows Server 2008 sp2 x86 Microsoft Windows Server 2008 R2 sp1 x64 Microsoft Windows Server 2012 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2016 prior to version 10.0.14393.8330 Microsoft Windows Server 2019 prior to version 10.0.17763.7678 Microsoft Windows Server 2022 prior to version 10.0.20348.3989 Microsoft Windows Server 2022 23h2 prior to version 10.0.25398.1791 Microsoft Windows Server 2025 prior to version 10.0.26100.4851
Vulnerability Description	A type confusion vulnerability exists in Microsoft Windows. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Windows Type Confusion (CVE-2025-53144) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Windows SMB Protection Violation.
Attack Information: Microsoft Windows Type Confusion (CVE-2025-53144)