CVE-2025-53783
High
Description
Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Microsoft Teams
PublishedAug 12, 2025
First seenAug 12, 2025
Weakness typeCWE-122CWE-122
How to fix
Update
- microsoft teams1.0.0.2025102802, 7.10.1, 25122.1207.3700.1444, 25122.1415.3698.6812 or later
- microsoft dynamics_365_guides907.2505.29001.0 or later
- microsoft dynamics_365_remote_assist316.2505.28001 or later
- microsoft teams_panels1.0.97.2025102203 or later
- microsoft teams_phones1.0.94.2025168802 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft teams | v < 1.0.0.2025102802, v < 7.10.1, v < 25122.1207.3700.1444, v < 25122.1415.3698.6812 | 1.0.0.2025102802, 7.10.1, 25122.1207.3700.1444, 25122.1415.3698.6812 |
| microsoft dynamics_365_guides | v < 907.2505.29001.0 | 907.2505.29001.0 |
| microsoft dynamics_365_remote_assist | v < 316.2505.28001 | 316.2505.28001 |
| microsoft teams_panels | v < 1.0.97.2025102203 | 1.0.97.2025102203 |
| microsoft teams_phones | v < 1.0.94.2025168802 | 1.0.94.2025168802 |
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