{"id":"CVE-2026-50480","title":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","summary":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"vendor":"microsoft","product":"windows_10_1607","affected":["windows_10_1607 < 10.0.14393.9339","windows_server_2012","windows_server_2012 = r2","windows_server_2016 < 10.0.14393.9339"],"patched":["windows_10_1607 10.0.14393.9339","windows_server_2016 10.0.14393.9339"],"published":"2026-07-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T22:10:00.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50480","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-16T00:00:00+00:00"},"epss":0.00333,"epssPercentile":0.26463,"ingestedAt":"2026-09-08T17:06:31.916Z","slug":"CVE-2026-50480","body":"## Overview\n\nHeap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.\n\n## Affected\n\n- `windows_10_1607 < 10.0.14393.9339`\n- `windows_server_2012`\n- `windows_server_2012 = r2`\n- `windows_server_2016 < 10.0.14393.9339`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1607 10.0.14393.9339`\n- `windows_server_2016 10.0.14393.9339`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}