CVE-2025-53783

Severity
7.5HIGH
EPSS
0.1%
top 75.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 12

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages12 packages

NVDmicrosoft/teams< 1.0.0.2025102802+3
CVEListV5microsoft/teams_panel1.0.971449/1.0.97.2025102203
CVEListV5microsoft/teams_phone1.0.941449/1.0.94.2025168802
NVDmicrosoft/teams_panels< 1.0.97.2025102203
NVDmicrosoft/teams_phones< 1.0.94.2025168802

🔴Vulnerability Details

2
CVEList
Microsoft Teams Remote Code Execution Vulnerability2025-08-12
GHSA
GHSA-56v2-hh65-7486: Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network2025-08-12

📋Vendor Advisories

1
Microsoft
Microsoft Teams Remote Code Execution Vulnerability2025-08-12
CVE-2025-53783 (HIGH CVSS 7.5) | Heap-based buffer overflow in Micro | cvebase.io