High severity · published Jul 8, 2025
CVE-2025-49737
Microsoft Teams Elevation of Privilege Vulnerability
7.0
CVSS
0.2%
EPSS
No
On KEV
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Microsoft Teams for Mac, New Edition · Microsoft
1.0.0.0 before 25163.3001.3726.6503 · source: vendor
TE
Teams · Microsoft
before 25163.3001.3726.6503 · source: NVD
Affected product
MT
Microsoft Teams for Mac, New Edition
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-49737
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-49737
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49737
More from Microsoft Teams for Mac, New Edition
7.5
CVE-2025-53783
Microsoft Teams Remote Code Execution Vulnerability