{"id":"CVE-2023-33163","aliases":["EUVD-2023-37348","GHSA-h5jj-9q44-xpqv"],"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":7.5,"vector":"CVSS:3.1/AV:A/AC:H/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":"2026-11-11","score":0.00384,"percentile":0.32883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-591"],"published":"2023-07-11T17:03:12Z","modified":"2026-06-17T06:01:11Z","products":[{"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 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-2023-33163","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33163"},{"url":"https://github.com/advisories/GHSA-h5jj-9q44-xpqv"}],"sources":{"cve":[{"id":"CVE-2023-33163","title":"Windows Network Load Balancing Remote Code Execution Vulnerability","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T17:03:12.03Z","modified":"2025-01-01T01:52:47.454Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-591"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-37348","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T17:03:12Z","modified":"2025-01-01T01:52:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:29.948913Z"}],"ghsa":[{"id":"GHSA-h5jj-9q44-xpqv","title":"Windows Network Load Balancing Remote Code Execution Vulnerability","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T18:31:26Z","modified":"2024-04-04T05:58:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:37.597078Z"}],"nvd":[{"id":"CVE-2023-33163","description":"Windows Network Load Balancing Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T18:15:15.257Z","modified":"2026-06-17T06:01:11.617Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-591"],"updated_at":"2026-11-02T14:08:15.91037Z"}]}}