CVE-2025-53783

Microsoft Teams Remote Code Execution Vulnerability

Published Aug 12, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-24283 Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:*:new:*:*:*
Type Values Removed Values Added
First Time appeared Microsoft dynamics 365 Guides
Microsoft dynamics 365 Remote Assist
Microsoft teams Panels
Microsoft teams Phones
CPEs cpe:2.3:a:microsoft:dynamics_365_guides:*:*:*:*:*:hololens:*:*
cpe:2.3:a:microsoft:dynamics_365_remote_assist:*:*:*:*:*:hololens:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:desktop:*:*:*
cpe:2.3:a:microsoft:teams_panels:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:teams_phones:*:*:*:*:*:*:*:*
Vendors & Products Microsoft dynamics 365 Guides
Microsoft dynamics 365 Remote Assist
Microsoft teams Panels
Microsoft teams Phones
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft teams
Microsoft teams For Mac
Vendors & Products Microsoft
Microsoft teams
Microsoft teams For Mac
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
Title Microsoft Teams Remote Code Execution Vulnerability
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 7.5, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 13, 2026, 6:54 PM
Reserved
Jul 9, 2025, 1:25 PM
Status
Analyzed
Published
Aug 12, 2025, 6:15 PM
Modified
Jun 17, 2026, 9:38 AM