{"id":"CVE-2026-65681","title":"Windows iSCSI Target Service Denial of Service Vulnerability","summary":"Null pointer dereference in Windows iSCSI Target Service 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/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-476"],"vendor":"Microsoft","product":"Windows 10 Version 1607","affected":["windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9418","windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9121","windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9418","windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9418","windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9121","windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9121","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5499","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-08-11T18:05:13.426094Z"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:26:22.040Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-65681","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65681","label":"Windows iSCSI Target Service Denial of Service Vulnerability"}],"tags":["cve.org"],"epss":0.00886,"epssPercentile":0.57728,"ingestedAt":"2026-09-08T18:07:34.889Z","slug":"CVE-2026-65681","body":"## Overview\n\nNull pointer dereference in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network.\n\n## Affected\n\n- `windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9418`\n- `windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9121`\n- `windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9418`\n- `windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9418`\n- `windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9121`\n- `windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9121`\n- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5499`\n- `windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296`\n- `windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}