Skip to content
Fencer Vulns
high 7.5

CVE-2022-21965 json

Microsoft Teams Denial of Service Vulnerability

published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27120

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Microsoft Teams Denial of Service Vulnerability

Patch / fix

  • Microsoft Microsoft Teams for iOS 2.5.0
  • Microsoft Microsoft Teams for Android 1416/1.0.0.2021040701

Exploit prediction

2.96% chance of exploitation in the next 30 days, higher than 87% 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:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Microsoft Microsoft Teams for iOS
  • Microsoft Microsoft Teams for Android
  • Microsoft Microsoft Teams Admin Center

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.