MicrosoftRadarIndependent status for Microsoft services

Microsoft Teams Elevation of Privilege Vulnerability

CVE-2025-49737 is an elevation of privilege vulnerability in Microsoft Teams (rated Important, CVSS 7.0).

1 version

Facts

Microsoft id
CVE-2025-49737
Products
Microsoft Teams
Severity
Important
Impact
Elevation of Privilege
CVSS
7.0
CVSS 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
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
Customer action required
Yes
Release
2025-Jul
Assigned by
Microsoft
Weakness
CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
MSRC revision
1.0
Status pages
Microsoft Teams status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2025-07-08: Information published.

Microsoft says

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

Security updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Microsoft Teams