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Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.

PUBLISHED Reserved 2025-06-09 | Published 2025-07-08 | Updated 2026-02-26 | Assigner microsoft




HIGH: 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Product status

1.0.0.0 (custom) before 25163.3001.3726.6503
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49737 (Microsoft Teams Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2025-49737)

nvd.nist.gov (CVE-2025-49737)

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