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TI-2022-06325 Aliases CVE-2022-21965GHSA-mrg4-hwp5-c6hc

Microsoft Teams Denial of Service Vulnerability

Priority LOW 38Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Microsoft Teams Denial of Service Vulnerability

Why it matters now

EPSS 0.02965 87th percentileScored 2026-11-07
Fix Fixed Microsoft Teams for iOS (Microsoft): 2.5.0Microsoft Teams for Android (Microsoft): 1416/1.0.0.2021040701+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Teams for iOS2.0.0 to before 2.5.02.5.0Patch availableCNA
MicrosoftMicrosoft Teams for Android1.0.0 to before 1416/1.0.0.20210407011416/1.0.0.2021040701Patch availableCNA
MicrosoftMicrosoft Teams Admin Center1.0.0 to before publicationpublicationPatch availableCNA
  • Microsoft Teams for iOS VendorMicrosoft Affected 2.0.0 to before 2.5.0 Fixed in 2.5.0 Patch available CNA
  • Microsoft Teams for Android VendorMicrosoft Affected 1.0.0 to before 1416/1.0.0.2021040701 Fixed in 1416/1.0.0.2021040701 Patch available CNA
  • Microsoft Teams Admin Center VendorMicrosoft Affected 1.0.0 to before publication Fixed in publication Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*before 1.0.94.20000VulnerableMicrosoft
cpe:2.3:a:microsoft:teams:-:*:*:*:*:android:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:a:microsoft:teams:-:*:*:*:*:iphone_os:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:* Versions before 1.0.94.20000 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:teams:-:*:*:*:*:android:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:teams:-:*:*:*:*:iphone_os:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft Teams for iOS (Microsoft) Fixed in 2.5.0
  • Fix · CNA Microsoft Teams for Android (Microsoft) Fixed in 1416/1.0.0.2021040701
  • Fix · CNA Microsoft Teams Admin Center (Microsoft) Fixed in publication

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21965
  2. 2026-10-03 Alias added: GHSA-mrg4-hwp5-c6hc

References

Patch 1

Advisory 1

  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2024-28020 Improper signature verification in Microsoft Teams CVSS 3.1CRITICAL 9.8
  • TI-2024-25478 Microsoft Teams for iOS Spoofing Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2026-46812 Microsoft Teams Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2026-46862 Microsoft Teams Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-27489 Improper signature verification in Microsoft Teams CVSS 3.1CRITICAL 9.8
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences