PT-2025-28623 · Microsoft · Teams

Omer Dahan · Published 2025-07-08 · Updated 2026-02-13 · CVE-2025-49737

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Microsoft Teams (affected versions not specified)

Description: The issue is related to concurrent execution using a shared resource with improper synchronization, also known as a 'race condition', in Microsoft Teams. This allows an authorized attacker to elevate privileges locally.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

BDU:2025-08535

CVE-2025-49737

Affected Products

Teams

References · 8

• https://osv.dev/vulnerability/CVE-2025-49737 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08535 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49737 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-49737 · Security Note
• https://twitter.com/windowsforum/status/1942653531632103801 · Twitter Post
• https://twitter.com/0xxAether/status/1964916560629465273 · Twitter Post
• https://twitter.com/CVEnew/status/1942633678925914169 · Twitter Post
• https://t.me/cveNotify/151936 · Telegram Post