{"id":"CVE-2026-70024","title":"Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.","summary":"Stack-based buffer overflow in Windows Internet Information Services 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-121"],"vendor":"microsoft","product":"windows_10_1607","affected":["windows_10_1607 < 10.0.14393.9612","windows_10_1809 < 10.0.17763.9376","windows_10_21h2 < 10.0.19044.7807","windows_10_22h2 < 10.0.19045.7807","windows_11_23h2 < 10.0.22631.7652","windows_11_24h2 < 10.0.26100.9711","windows_11_25h2 < 10.0.26200.9711","windows_11_26h1 < 10.0.28000.3231","windows_11_26h2 < 10.0.26300.9711","windows_server_2012","windows_server_2012 = r2","windows_server_2016 < 10.0.14393.9612","windows_server_2019 < 10.0.17763.9376","windows_server_2022 < 10.0.20348.5761","windows_server_2025 < 10.0.26100.33650"],"patched":["windows_10_1607 10.0.14393.9612","windows_10_1809 10.0.17763.9376","windows_10_21h2 10.0.19044.7807","windows_10_22h2 10.0.19045.7807","windows_11_23h2 10.0.22631.7652","windows_11_24h2 10.0.26100.9711","windows_11_25h2 10.0.26200.9711","windows_11_26h1 10.0.28000.3231","windows_11_26h2 10.0.26300.9711","windows_server_2016 10.0.14393.9612","windows_server_2019 10.0.17763.9376","windows_server_2022 10.0.20348.5761","windows_server_2025 10.0.26100.33650"],"published":"2026-10-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:11:29.077","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70024","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70024","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00958,"epssPercentile":0.61299,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-13T21:01:21.379700Z"},"ingestedAt":"2026-10-13T19:43:28.985Z","slug":"CVE-2026-70024","body":"## Overview\n\nStack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `windows_10_1607 < 10.0.14393.9612`\n- `windows_10_1809 < 10.0.17763.9376`\n- `windows_10_21h2 < 10.0.19044.7807`\n- `windows_10_22h2 < 10.0.19045.7807`\n- `windows_11_23h2 < 10.0.22631.7652`\n- `windows_11_24h2 < 10.0.26100.9711`\n- `windows_11_25h2 < 10.0.26200.9711`\n- `windows_11_26h1 < 10.0.28000.3231`\n- `windows_11_26h2 < 10.0.26300.9711`\n- `windows_server_2012`\n- `windows_server_2012 = r2`\n- `windows_server_2016 < 10.0.14393.9612`\n- `windows_server_2019 < 10.0.17763.9376`\n- `windows_server_2022 < 10.0.20348.5761`\n- `windows_server_2025 < 10.0.26100.33650`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1607 10.0.14393.9612`\n- `windows_10_1809 10.0.17763.9376`\n- `windows_10_21h2 10.0.19044.7807`\n- `windows_10_22h2 10.0.19045.7807`\n- `windows_11_23h2 10.0.22631.7652`\n- `windows_11_24h2 10.0.26100.9711`\n- `windows_11_25h2 10.0.26200.9711`\n- `windows_11_26h1 10.0.28000.3231`\n- `windows_11_26h2 10.0.26300.9711`\n- `windows_server_2016 10.0.14393.9612`\n- `windows_server_2019 10.0.17763.9376`\n- `windows_server_2022 10.0.20348.5761`\n- `windows_server_2025 10.0.26100.33650`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}