{"id":"CVE-2026-96157","published":"2026-11-10T19:22:13.027","lastModified":"2026-11-11T05:19:56.570","description":"Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96157","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow (CWE-122) in Microsoft Windows Media Foundation enables remote code execution via network-triggered malformed media content. The flaw is critical due to its CVSS 9.8 score, requiring no user interaction or privileges.","exploitability":"Exploitation requires sending specially crafted media content over the network to a vulnerable system; no authentication or user interaction is needed, making it highly exploitable by remote attackers.","blast_radius":"Successful exploitation could allow full system compromise—including confidentiality, integrity, and availability impacts—on any unpatched Windows systems with Media Foundation enabled and accessible over the network.","remediation":"Apply Microsoft security update MS26-XXXX (to be determined from official advisory); until then, disable Windows Media Foundation functionality or restrict network exposure of affected services per Microsoft guidance. No fixed version is published in the description.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["heap-overflow","rce","media","windows","network-exploit"],"model":"garnet-coder","analyzedAt":"2026-11-11T09:52:26.075Z"}}