{"id":"CVE-2026-83643","published":"2026-10-13T19:20:05.150","lastModified":"2026-10-16T16:21:11.757","description":"Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-121"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83643","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A stack-based buffer overflow in Windows Error Reporting allows remote attackers to execute arbitrary code when processing error reports. This vulnerability could enable attackers to gain full system control without requiring authentication.","exploitability":"Exploitation is moderately difficult as it requires a remote attacker to craft and deliver a malicious error report that triggers the buffer overflow, but the attack surface is broad since Windows Error Reporting is active by default on all Windows systems.","blast_radius":"If exploited, this vulnerability could allow attackers to execute code with SYSTEM privileges across entire Windows networks, potentially leading to complete system compromise and lateral movement.","remediation":"Deploy the Microsoft Windows Update KB5043618 immediately, as it contains the patched version of Windows Error Reporting that resolves this buffer overflow vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","windows","buffer-overflow","remote-exploit"],"model":"garnet-coder","analyzedAt":"2026-10-18T09:58:12.390Z"}}