CVE-2025-53783
HIGH severity · CVSS 7.5 · CWE-122
7.5CVSS HIGH
Summary
Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.