CVE-2025-53783

Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
microsoftCNA
7.5 HIGH
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
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
microsoftdynamics_365_guides
𝑥
< 907.2505.29001.0
microsoftdynamics_365_remote_assist
𝑥
< 316.2505.28001
microsoftteams
𝑥
< 25122.1207.3700.1444
microsoftteams
𝑥
< 25122.1415.3698.6812
microsoftteams_panels
𝑥
< 1.0.97.2025102203
microsoftteams_phones
𝑥
< 1.0.94.2025168802
𝑥
= Vulnerable software versions