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TI-2021-13444 Aliases CVE-2021-34410GHSA-pc44-f378-g8j5

Incorrect permission assignment in Zoom Plugin for Microsoft Outlook for Mac

Priority LOW 33CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

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

Summary

A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.

Why it matters now

EPSS 0.00228 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—Zoom Plugin for Microsoft Outlook for MacZoom Plugin for Microsoft Outlook for Mac before version 5.0.25611.0521—No fix listedCNA
  • Zoom Plugin for Microsoft Outlook for Mac Vendor— Affected Zoom Plugin for Microsoft Outlook for Mac before version 5.0.25611.0521 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zoom:zoom_plugin_for_microsoft_outlook:*:*:*:*:*:macos:*:*before 5.0.25611.0521VulnerableZoom Video Communications, Inc.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34410
  2. 2026-10-03 Alias added: GHSA-pc44-f378-g8j5

References

Advisory 1

  • TI-2022-07031 Local privilege escalation in Windows Zoom Clients CVSS 3.1HIGH 7.9
  • TI-2021-13447 Time-of-check time-of-use race condition in Zoom Plugin for Microsoft Outlook for MacOS CVSS 3.1HIGH 7.5

Sources

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