{"id":"CVE-2026-69839","aliases":["EUVD-2026-73060","GHSA-6pcm-j3qf-mrjq"],"status":"published","title":"Windows iSCSI Target Service Denial of Service Vulnerability","description":"Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service over a network.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01138,"percentile":0.66993,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2026-09-08T17:12:08Z","modified":"2026-11-10T21:30:54Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69839","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69839"},{"url":"https://github.com/advisories/GHSA-6pcm-j3qf-mrjq"}],"sources":{"cve":[{"id":"CVE-2026-69839","title":"Windows iSCSI Target Service Denial of Service Vulnerability","description":"Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service over a network.","status":"published","published":"2026-09-08T17:12:08.522Z","modified":"2026-11-10T21:30:54.346Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73060","description":"Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service over a network.","status":"published","published":"2026-09-08T17:12:08Z","modified":"2026-11-10T21:30:54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T22:23:53.507714Z"}],"ghsa":[{"id":"GHSA-6pcm-j3qf-mrjq","title":"Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service...","description":"Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service over a network.","status":"published","published":"2026-09-08T18:33:02Z","modified":"2026-09-08T18:33:12Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:11:32.262918Z"}],"nvd":[{"id":"CVE-2026-69839","description":"Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service over a network.","status":"published","published":"2026-09-08T18:19:55.497Z","modified":"2026-09-24T23:18:32.527Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}