{"id":"CVE-2026-50657","aliases":["EUVD-2026-44120","GHSA-f9xj-xpm5-pgx4"],"status":"published","title":"Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability","description":"Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.004,"percentile":0.3454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-359"],"published":"2026-07-14T17:08:09Z","modified":"2026-11-01T17:35:44Z","exploits":[{"source":"pocgithub","id":"NeseOS-Corp/CVE-2026-50657","title":"NeseOS-Corp/CVE-2026-50657","date":"2026-07-15","url":"https://github.com/NeseOS-Corp/CVE-2026-50657"}],"products":[{"vendor":"microsoft","product":"defender_for_endpoint"},{"vendor":"microsoft","product":"microsoft defender for endpoint for mac"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50657"},{"url":"https://github.com/advisories/GHSA-f9xj-xpm5-pgx4"}],"sources":{"cve":[{"id":"CVE-2026-50657","title":"Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability","description":"Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T17:08:09.761Z","modified":"2026-11-01T17:35:44.334Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-359"],"updated_at":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-44120","description":"Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T17:08:09Z","modified":"2026-11-01T17:35:44Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T16:58:47.914819Z"}],"ghsa":[{"id":"GHSA-f9xj-xpm5-pgx4","title":"Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an...","description":"Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T18:32:28Z","modified":"2026-07-14T18:32:29Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-359"],"updated_at":"2026-11-02T15:09:30.119193Z"}],"nvd":[{"id":"CVE-2026-50657","description":"Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.","status":"published","published":"2026-07-14T18:17:59.303Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-359"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}