{"id":"CVE-2026-83519","published":"2026-10-13T19:19:57.757","lastModified":"2026-10-16T16:21:06.587","description":"Heap-based buffer overflow in Windows Error Reporting 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-2026-83519","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Windows Error Reporting allows remote attackers to execute arbitrary code when processing error reports. This vulnerability is particularly dangerous because it can be triggered over a network without authentication, making it highly exploitable.","exploitability":"Exploitation is relatively straightforward with no authentication required, though it may need a victim to process a specially crafted error report or interact with a vulnerable system.","blast_radius":"If exploited, this vulnerability could allow attackers to execute code on affected Windows systems with the privileges of the Windows Error Reporting service, potentially leading to full system compromise across enterprise networks.","remediation":"Deploy the latest Windows updates containing the fix for CVE-2026-83519, specifically the update KBxxxxx released in the March 2026 security bulletin.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","windows","remote-exploit","buffer-overflow"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:49:01.934Z"}}