CVE-2025-49737

⚠️ high

Summary

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

CVSS Score

7.0

High

EPSS Score

0.0

Exploit Probability

Published Date

2025-07-08

First Seen: 2026-01-05

📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 51.9% of all 326,604 vulnerabilities in our database.

#156,984

Above average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jul 9, 2025

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-02-13

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-362

📦 Affected Products 2

Vendor	Product	Status	Affected Versions
microsoft	teams	Affected	< 25163.3001.3726.6503
microsoft	microsoft_teams_for_mac	Affected	≥ 1.0.0.0 < 25163.3001.3726.6503

🔗 References 1

https://msrc.microsoft.com/update-guide/vulnerabilit...

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-32185	🔶 medium	5.5	0.1	Files or directories accessible to external parties in Microsoft Teams allows an unauthorized attacker to perform spoofi...	2026-05-12
CVE-2026-33823	⛔ critical	9.6	0.1	Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.	2026-05-07
CVE-2026-26133	⚠️ high	7.1	0.1	AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.	2026-03-16
CVE-2026-21535	⚠️ high	8.2	0.1	Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.	2026-02-19
CVE-2025-53783	⚠️ high	7.5	0.1	Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.	2025-08-12
CVE-2025-49731	ℹ️ low	3.1	0.0	Improper handling of insufficient permissions or privileges in Microsoft Teams allows an authorized attacker to elevate ...	2025-07-08

These CVEs affect the same products