{"id":"CVE-2026-50696","title":"Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.","summary":"Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-122"],"vendor":"microsoft","product":"windows_10_1809","affected":["windows_10_1809 < 10.0.17763.9020","windows_10_21h2 < 10.0.19044.7548","windows_10_22h2 < 10.0.19045.7548","windows_11_24h2 < 10.0.26100.8875","windows_11_25h2 < 10.0.26200.8875","windows_11_26h1 < 10.0.28000.2525","windows_server_2019 < 10.0.17763.9020","windows_server_2022 < 10.0.20348.5386","windows_server_2025 < 10.0.26100.33158"],"patched":["windows_10_1809 10.0.17763.9020","windows_10_21h2 10.0.19044.7548","windows_10_22h2 10.0.19045.7548","windows_11_24h2 10.0.26100.8875","windows_11_25h2 10.0.26200.8875","windows_11_26h1 10.0.28000.2525","windows_server_2019 10.0.17763.9020","windows_server_2022 10.0.20348.5386","windows_server_2025 10.0.26100.33158"],"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T23:17:36.387","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50696","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50696","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-14T20:38:01.013283Z"},"epss":0.01174,"epssPercentile":0.66156,"ingestedAt":"2026-09-08T17:06:31.890Z","slug":"CVE-2026-50696","body":"## Overview\n\nHeap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.\n\n## Affected\n\n- `windows_10_1809 < 10.0.17763.9020`\n- `windows_10_21h2 < 10.0.19044.7548`\n- `windows_10_22h2 < 10.0.19045.7548`\n- `windows_11_24h2 < 10.0.26100.8875`\n- `windows_11_25h2 < 10.0.26200.8875`\n- `windows_11_26h1 < 10.0.28000.2525`\n- `windows_server_2019 < 10.0.17763.9020`\n- `windows_server_2022 < 10.0.20348.5386`\n- `windows_server_2025 < 10.0.26100.33158`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1809 10.0.17763.9020`\n- `windows_10_21h2 10.0.19044.7548`\n- `windows_10_22h2 10.0.19045.7548`\n- `windows_11_24h2 10.0.26100.8875`\n- `windows_11_25h2 10.0.26200.8875`\n- `windows_11_26h1 10.0.28000.2525`\n- `windows_server_2019 10.0.17763.9020`\n- `windows_server_2022 10.0.20348.5386`\n- `windows_server_2025 10.0.26100.33158`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}