CVE-2025-49737
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-07-08
Last updated on: 2026-02-13
Assigner: Microsoft Corporation
Description
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | teams | to 25163.3001.3726.6503 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a race condition in Microsoft Teams where concurrent execution using a shared resource occurs without proper synchronization. This flaw allows an authorized attacker to locally elevate their privileges.
How can this vulnerability impact me? :
An attacker who already has some level of access can exploit this vulnerability to gain higher privileges on the affected system, potentially leading to full control over the application or system, and causing confidentiality, integrity, and availability impacts.
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