{"id":"CVE-2026-58529","aliases":["EUVD-2026-44318","GHSA-rwpj-48r2-w395"],"status":"published","title":"Windows Active Directory Federation Services (ADFS) Information Disclosure Vulnerability","description":"Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01036,"percentile":0.64177,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-07-14T17:10:18Z","modified":"2026-11-01T17:37:51Z","products":[{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows_11_26h1"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58529","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58529"},{"url":"https://github.com/advisories/GHSA-rwpj-48r2-w395"}],"sources":{"cve":[{"id":"CVE-2026-58529","title":"Windows Active Directory Federation Services (ADFS) Information Disclosure Vulnerability","description":"Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-07-14T17:10:18.062Z","modified":"2026-11-01T17:37:51.873Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:47:39.876248Z"}],"euvd":[{"id":"EUVD-2026-44318","description":"Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-07-14T17:10:18Z","modified":"2026-11-01T17:37:51Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:46.574424Z"}],"ghsa":[{"id":"GHSA-rwpj-48r2-w395","title":"Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker...","description":"Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-07-14T18:32:40Z","modified":"2026-07-14T18:32:49Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:09:31.319926Z"}],"nvd":[{"id":"CVE-2026-58529","description":"Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-07-14T18:18:39.55Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}