CVE-2025-53783

Published: Aug 12, 2025

Modified: Feb 13, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.

Vendor	Product	Versions
Microsoft	Microsoft Teams for Android	affected `1.0.0 - < 1416/1.0.0.2025102802`
Microsoft	Microsoft Teams for Desktop	affected `1.0.0 - < 25122.1415.3698.6812`
Microsoft	Microsoft Teams for iOS	affected `2.0.0 - < 7.10.1 (100772025102901)`
Microsoft	Microsoft Teams for Mac, New Edition	affected `1.0.0.0 - < 25122.1207.3700.1444`
Microsoft	Teams for D365 Guides HoloLens	affected `907.0000 - < 907.2505.29001.0`
Microsoft	Teams for D365 Remote Assist HoloLens	affected `316.0000 - < 316.2505.28001`
Microsoft	Teams Panel	affected `1.0.97 - < 1449/1.0.97.2025102203`
Microsoft	Teams Phone	affected `1.0.94 - < 1449/1.0.94.2025168802`

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

vendor-advisory

patch

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