{"id":"CVE-2026-16819","aliases":["EUVD-2026-62531","GHSA-vf7p-vx9f-2xvg"],"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 local attacker to cause a denial of service and compromise data integrity due to a time-of-check time-of-use race condition.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00119,"percentile":0.01757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-08-19T15:07:27Z","modified":"2026-10-27T11:10:00Z","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-2026-16819"},{"url":"https://github.com/advisories/GHSA-vf7p-vx9f-2xvg"}],"sources":{"cve":[{"id":"CVE-2026-16819","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 local attacker to cause a denial of service and compromise data integrity due to a time-of-check time-of-use race condition.","status":"published","published":"2026-08-19T15:07:27.262Z","modified":"2026-08-21T16:16:25.714Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-62531","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service and compromise data integrity due to a time-of-check time-of-use race condition.","status":"published","published":"2026-08-19T15:07:27Z","modified":"2026-08-21T16:16:25Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:37.198267Z"}],"ghsa":[{"id":"GHSA-vf7p-vx9f-2xvg","title":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of...","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service and compromise data integrity due to a time-of-check time-of-use race condition.","status":"published","published":"2026-08-19T18:32:45Z","modified":"2026-08-19T18:32:51Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:10:43.503566Z"}],"nvd":[{"id":"CVE-2026-16819","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service and compromise data integrity due to a time-of-check time-of-use race condition.","status":"published","published":"2026-08-19T16:17:06.297Z","modified":"2026-10-27T11:10:00.193Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:39.962615Z"}]}}