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High severity · published Aug 12, 2025
CVE-2025-53783
Microsoft Teams Remote Code Execution Vulnerability
7.5
CVSS
0.8%
EPSS
No
On KEV
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:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Microsoft Teams for Android · Microsoft
1.0.0 before 1416/1.0.0.2025102802 · source: vendor
MT
Microsoft Teams for Desktop · Microsoft
1.0.0 before 25122.1415.3698.6812 · source: vendor
MT
Microsoft Teams for Mac, New Edition · Microsoft
1.0.0.0 before 25122.1207.3700.1444 · source: vendor
MT
Microsoft Teams for iOS · Microsoft
2.0.0 before 7.10.1 (100772025102901) · source: vendor
TP
Teams Panel · Microsoft
1.0.97 before 1449/1.0.97.2025102203 · source: vendor
TP
Teams Phone · Microsoft
1.0.94 before 1449/1.0.94.2025168802 · source: vendor
TF
Teams for D365 Guides HoloLens · Microsoft
907.0000 before 907.2505.29001.0 · source: vendor
TF
Teams for D365 Remote Assist HoloLens · Microsoft
316.0000 before 316.2505.28001 · source: vendor
D3
Dynamics 365 Guides · Microsoft
before 907.2505.29001.0 · source: NVD
D3
Dynamics 365 Remote Assist · Microsoft
before 316.2505.28001 · source: NVD
TE
Teams · Microsoft
before 1.0.0.2025102802; before 7.10.1; before 25122.1207.3700.1444; before 25122.1415.3698.6812 · source: NVD
TP
Teams Panels · Microsoft
before 1.0.97.2025102203 · source: NVD
Affected product
MT
Microsoft Teams for Android
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-53783
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-53783
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53783
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