CVE-2025-53783

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

Score

CVSS 3.1 7.5 High

Status

Analyzed - secure@microsoft.com

Published

2025-08-12

Last modified

2026-02-13

Weaknesses

CWE-122

Affected products

• Dynamics 365 Guides (Microsoft)
• Dynamics 365 Remote Assist (Microsoft)
• Teams (Microsoft)
• Teams Panels (Microsoft)
• Teams Phones (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53783