{"id":"CVE-2026-122987","aliases":["EUVD-2026-122269","GHSA-q2c5-g936-6723"],"status":"published","title":"Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability","description":"Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00693,"percentile":0.53461,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-11-10T18:22:00Z","modified":"2026-11-10T21:33:54Z","products":[{"vendor":"microsoft","product":"microsoft hpc pack 2016"},{"vendor":"microsoft","product":"microsoft hpc pack 2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122987","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122987"},{"url":"https://github.com/advisories/GHSA-q2c5-g936-6723"}],"sources":{"cve":[{"id":"CVE-2026-122987","title":"Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability","description":"Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T18:22:00.666Z","modified":"2026-11-12T21:49:12.088Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122269","description":"Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T18:22:00Z","modified":"2026-11-12T21:49:12Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:25:03.672914Z"}],"ghsa":[{"id":"GHSA-q2c5-g936-6723","title":"Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack...","description":"Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T21:33:48Z","modified":"2026-11-10T21:33:54Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-122987","description":"Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T19:20:38.38Z","modified":"2026-11-11T02:17:12.64Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-11T07:23:51.286099Z"}]}}