{"id":"CVE-2026-69845","title":"Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.","summary":"Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-20","CWE-122"],"vendor":"microsoft","product":"windows_10_1607","affected":["windows_10_1607 < 10.0.14393.9512","windows_10_1809 < 10.0.17763.9245","windows_server_2012","windows_server_2012 = r2","windows_server_2016 < 10.0.14393.9512","windows_server_2019 < 10.0.17763.9245","windows_server_2022 < 10.0.20348.5622","windows_server_2025 < 10.0.26100.33438"],"patched":["windows_10_1607 10.0.14393.9512","windows_10_1809 10.0.17763.9245","windows_server_2016 10.0.14393.9512","windows_server_2019 10.0.17763.9245","windows_server_2022 10.0.20348.5622","windows_server_2025 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-10","sourceUpdated":"2026-09-10T18:18:06.977","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-69845","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69845","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-10T17:59:47.174046Z"},"epss":0.00933,"epssPercentile":0.58664,"ingestedAt":"2026-09-08T19:08:49.621Z","slug":"CVE-2026-69845","body":"## Overview\n\nHeap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `windows_10_1607 < 10.0.14393.9512`\n- `windows_10_1809 < 10.0.17763.9245`\n- `windows_server_2012`\n- `windows_server_2012 = r2`\n- `windows_server_2016 < 10.0.14393.9512`\n- `windows_server_2019 < 10.0.17763.9245`\n- `windows_server_2022 < 10.0.20348.5622`\n- `windows_server_2025 < 10.0.26100.33438`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1607 10.0.14393.9512`\n- `windows_10_1809 10.0.17763.9245`\n- `windows_server_2016 10.0.14393.9512`\n- `windows_server_2019 10.0.17763.9245`\n- `windows_server_2022 10.0.20348.5622`\n- `windows_server_2025 10.0.26100.33438`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}