CVE-2025-53131
Published: 12 August 2025
Summary
CVE-2025-53131 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows 10 1809. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Malicious File (T1204.002); ranked in the top 21.3% 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-16 (Memory Protection) and SI-2 (Flaw Remediation).
Deeper analysis
The vulnerability CVE-2025-53131 is a heap-based buffer overflow, tracked as CWE-122, in the Windows Media component. It was published on 2025-08-12 and assigned a CVSS 3.1 score of 8.8 reflecting network attack vector, low attack complexity, no required privileges, required user interaction, and high impact on confidentiality, integrity, and availability.
An unauthorized attacker can exploit the flaw over a network to execute arbitrary code. The current and peak EPSS scores are both 0.0113, indicating low exploitation probability with no material change after disclosure.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53131 addresses the vulnerability.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-24335
Vulnerability details
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Heap buffer overflow in Windows Media enables RCE via opening a malicious file (user interaction required), directly facilitating T1204.002.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires timely remediation through vendor patches to eliminate the heap-based buffer overflow in Windows Media, preventing arbitrary code execution.
Enforces memory protections such as ASLR and DEP to block unauthorized code execution from heap buffer overflow exploits in Windows Media.
Deploys malicious code protection tools to scan for and prevent execution of malicious media files exploiting the Windows Media buffer overflow.