{"id":"CVE-2026-34327","aliases":["EUVD-2026-28452","GHSA-jvw8-2m5m-9449"],"status":"published","title":"Microsoft Partner Center Spoofing Vulnerability","description":"Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00638,"percentile":0.5105,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-610"],"published":"2026-05-07T20:58:54Z","modified":"2026-10-26T20:10:00Z","products":[{"vendor":"microsoft","product":"microsoft partner center"},{"vendor":"microsoft","product":"partner_center"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34327","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34327"},{"url":"https://github.com/advisories/GHSA-jvw8-2m5m-9449"}],"sources":{"cve":[{"id":"CVE-2026-34327","title":"Microsoft Partner Center Spoofing Vulnerability","description":"Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-05-07T20:58:54.185Z","modified":"2026-08-10T15:13:53.348Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T14:20:14.302133Z"}],"euvd":[{"id":"EUVD-2026-28452","description":"Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-05-07T20:58:54Z","modified":"2026-08-10T15:13:53Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:01.941928Z"}],"ghsa":[{"id":"GHSA-jvw8-2m5m-9449","title":"Externally controlled reference to a resource in another sphere in Microsoft Partner Center...","description":"Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-05-08T00:31:33Z","modified":"2026-05-08T00:31:37Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T15:07:57.010667Z"}],"nvd":[{"id":"CVE-2026-34327","description":"Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-05-07T22:16:34.54Z","modified":"2026-10-26T20:10:00.16Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T14:12:17.842772Z"}]}}