CVE-2025-59295
Published: 14 October 2025
Description
Adversaries may exploit software vulnerabilities in client applications to execute code.
Security Summary
CVE-2025-59295 is a heap-based buffer overflow vulnerability, classified under CWE-122, affecting Internet Explorer. Published on 2025-10-14T17:16:12.850, it carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant impact.
An unauthorized attacker can exploit this vulnerability over a network with low complexity and no required privileges, though it necessitates user interaction. Successful exploitation enables arbitrary code execution, compromising confidentiality, integrity, and availability at a high level.
The Microsoft Security Response Center provides guidance on this vulnerability, including patches and mitigation details, at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59295.
Details
- CWE(s)
Affected Products
MITRE ATT&CK Enterprise Techniques
Why these techniques?
Heap-based buffer overflow in Internet Explorer enables arbitrary code execution over the network with user interaction and no privileges, directly facilitating Exploitation for Client Execution (T1203).