{"id":"CVE-2026-16656","aliases":["EUVD-2026-62514","GHSA-cqrp-mxgc-jj3v"],"status":"published","title":"Vulnerabilities in IBM AIX and PowerVM VIOS","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root privileges due to improper authentication.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00722,"percentile":0.54329,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2026-08-19T14:55:53Z","modified":"2026-10-27T12:10:00Z","products":[{"vendor":"ibm","product":"aix"},{"vendor":"ibm","product":"powervm vios"},{"vendor":"ibm","product":"vios"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283858","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16656"},{"url":"https://github.com/advisories/GHSA-cqrp-mxgc-jj3v"}],"sources":{"cve":[{"id":"CVE-2026-16656","title":"Vulnerabilities in IBM AIX and PowerVM VIOS","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root privileges due to improper authentication.","status":"published","published":"2026-08-19T14:55:53.967Z","modified":"2026-08-20T18:28:38.786Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-62514","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root privileges due to improper authentication.","status":"published","published":"2026-08-19T14:55:53Z","modified":"2026-08-20T18:28:38Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:38.846525Z"}],"ghsa":[{"id":"GHSA-cqrp-mxgc-jj3v","title":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root...","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root privileges due to improper authentication.","status":"published","published":"2026-08-19T15:32:37Z","modified":"2026-08-19T15:32:46Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:10:39.892418Z"}],"nvd":[{"id":"CVE-2026-16656","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root privileges due to improper authentication.","status":"published","published":"2026-08-19T15:16:56.563Z","modified":"2026-10-27T12:10:00.343Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:39.962615Z"}]}}