EUVD-2025-20540
2025-07-08
[email protected]
7.0
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20540
CVE Published
Jul 08, 2025 - 17:16 nvd
HIGH 7.0
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.
Analysis
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Teams allows an authorized attacker to elevate privileges locally.
Technical Context
A race condition occurs when the behavior of software depends on the timing of events, such as the order of execution of threads or processes.
Affected Products
Affected products: Microsoft Teams
Remediation
Use proper synchronization mechanisms (locks, mutexes, atomic operations). Implement file locking for filesystem operations. Avoid TOCTOU patterns.
Priority Score
35
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +35
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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