Skip to content
Fencer Vulns
high 7.5

CVE-2025-53783 json

Microsoft Teams Remote Code Execution Vulnerability

published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24283

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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

Patch / fix

  • Microsoft Microsoft Teams for Android 1416/1.0.0.2025102802
  • Microsoft Microsoft Teams for Desktop 25122.1415.3698.6812
  • Microsoft Microsoft Teams for iOS 7.10.1 (100772025102901)
  • Microsoft Microsoft Teams for Mac, New Edition 25122.1207.3700.1444
  • Microsoft Teams for D365 Guides HoloLens 907.2505.29001.0
  • Microsoft Teams for D365 Remote Assist HoloLens 316.2505.28001
  • Microsoft Teams Panel 1449/1.0.97.2025102203
  • Microsoft Teams Phone 1449/1.0.94.2025168802

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
14 mo ago

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 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
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Microsoft Teams for Android
  • Microsoft Microsoft Teams for Desktop
  • Microsoft Microsoft Teams for iOS
  • Microsoft Microsoft Teams for Mac, New Edition
  • Microsoft Teams for D365 Guides HoloLens
  • Microsoft Teams for D365 Remote Assist HoloLens
  • Microsoft Teams Panel
  • Microsoft Teams Phone

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.