{"id":"CVE-2023-28240","aliases":["EUVD-2023-31948","GHSA-fg86-xg34-2fr5"],"status":"published","title":"Windows Network Load Balancing Remote Code Execution Vulnerability","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00754,"percentile":0.55413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2023-04-11T19:13:42Z","modified":"2026-06-17T05:47:12Z","products":[{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"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_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28240","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28240"},{"url":"https://github.com/advisories/GHSA-fg86-xg34-2fr5"}],"sources":{"cve":[{"id":"CVE-2023-28240","title":"Windows Network Load Balancing Remote Code Execution Vulnerability","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-04-11T19:13:42.251Z","modified":"2025-01-23T01:05:03.911Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-31948","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-04-11T19:13:42Z","modified":"2025-01-23T01:05:03Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:14.937024Z"}],"ghsa":[{"id":"GHSA-fg86-xg34-2fr5","title":"Windows Network Load Balancing Remote Code Execution Vulnerability","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-04-11T21:31:00Z","modified":"2023-04-11T21:31:08Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:54:28.83155Z"}],"nvd":[{"id":"CVE-2023-28240","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-04-11T21:15:24.277Z","modified":"2026-06-17T05:47:12.75Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:07:55.652109Z"}]}}