CVE-2025-49737

High

Description

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

SeverityHigh
CVSS7.0
Exploit probability—
ProductMicrosoft Teams
PublishedJul 8, 2025
First seenJul 8, 2025

How to fix

Update
  • microsoft teams25163.3001.3726.6503 or later

Affected products

ProductAffected versionsFixed in
microsoft teamsv < 25163.3001.3726.650325163.3001.3726.6503

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2025-49737 · Microsoft Teams · Dark Radar