{"id":"CVE-2025-49737","aliases":["EUVD-2025-20540","GHSA-cfpx-rr6v-gv66"],"status":"published","title":"Microsoft Teams Elevation of Privilege Vulnerability","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00218,"percentile":0.12364,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2025-07-08T16:58:14Z","modified":"2026-06-17T09:31:51Z","products":[{"vendor":"microsoft","product":"microsoft teams for mac, new edition"},{"vendor":"microsoft","product":"teams"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49737","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49737"},{"url":"https://github.com/advisories/GHSA-cfpx-rr6v-gv66"}],"sources":{"cve":[{"id":"CVE-2025-49737","title":"Microsoft Teams Elevation of Privilege Vulnerability","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:58:14.537Z","modified":"2026-02-26T17:51:06.74Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:32:25.186422Z"}],"euvd":[{"id":"EUVD-2025-20540","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T16:58:14Z","modified":"2026-02-26T17:51:06Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:18.619892Z"}],"ghsa":[{"id":"GHSA-cfpx-rr6v-gv66","title":"Concurrent execution using shared resource with improper synchronization ('race condition') in...","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T18:31:51Z","modified":"2025-07-08T18:31:59Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:02:57.612558Z"}],"nvd":[{"id":"CVE-2025-49737","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.","status":"published","published":"2025-07-08T17:16:02.46Z","modified":"2026-06-17T09:31:51.647Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}