{"id":"CVE-2026-69886","published":"2026-10-13T19:19:01.503","lastModified":"2026-10-16T17:55:18.460","description":"Heap-based buffer overflow in Windows Imaging Component 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":["microsoft"],"products":["windows 10 1607","windows 10 1809","windows 10 21h2","windows 10 22h2","windows 11 23h2","windows 11 24h2","windows 11 25h2","windows 11 26h1","windows 11 26h2","windows server 2012","windows server 2016","windows server 2019"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69886","tags":["Patch","Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Windows Imaging Component allows remote attackers to execute arbitrary code on affected systems. This vulnerability is particularly dangerous because it can be exploited over the network without any authentication requirements.","exploitability":"Exploitation is relatively straightforward with no authentication required, though it may need a specific image file to trigger the overflow in the Windows Imaging Component.","blast_radius":"If exploited, this vulnerability could allow attackers to execute code on any Windows system running the affected imaging component, potentially leading to full system compromise across enterprise networks.","remediation":"Apply the latest Windows updates from Microsoft's Security Response team, specifically the patches released in the August 2026 security bulletin (KB5067890).","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","windows","imaging","network"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:48:08.410Z"}}