CVE-2025-53143
Published: 12 August 2025
Summary
CVE-2025-53143 is a high-severity Type Confusion (CWE-843) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation of Remote Services (T1210); ranked in the top 9.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-2 (Flaw Remediation) and CM-7 (Least Functionality).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly remediates the type confusion vulnerability by requiring timely application of Microsoft patches for CVE-2025-53143 in Windows Message Queuing.
Implements memory protections like ASLR, DEP, and control-flow integrity that raise the bar for exploiting type confusion to achieve remote code execution.
Reduces attack surface by disabling or restricting nonessential Windows Message Queuing functionality, preventing low-privilege network access exploitation.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Type confusion in Windows Message Queuing service directly enables remote exploitation of the service for code execution (T1210).
NVD Description
Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network.
Deeper analysisAI
CVE-2025-53143 is a type confusion vulnerability, classified under CWE-843 (Access of Resource Using Incompatible Type), affecting Windows Message Queuing. Published on 2025-08-12, it has a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant impact across confidentiality, integrity, and availability.
An authorized attacker with low privileges can exploit this vulnerability over the network with low complexity and no user interaction required. Successful exploitation enables remote code execution on the targeted system.
Microsoft's Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53143 provides details on mitigation and available patches.
Details
- CWE(s)