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TI-2021-13445 Aliases CVE-2021-34411GHSA-qg8r-2qrx-rmcv

Improper privilege management in Zoom Rooms for Conference Room for Windows

Priority LOW 33CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Why it matters now

EPSS 0.00204 10th percentileScored 2026-11-07
Fix Fixed Zoom Rooms for Conference Room for Windows: 5.3.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—Zoom Rooms for Conference Room for Windowsbefore 5.3.05.3.0Patch availableCNA
  • Zoom Rooms for Conference Room for Windows Vendor— Affected before 5.3.0 Fixed in 5.3.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*before 5.3.0VulnerableZoom Video Communications, Inc.

Remediation

  • Fix · CNA Zoom Rooms for Conference Room for Windows Fixed in 5.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34411
  2. 2026-10-03 Alias added: GHSA-qg8r-2qrx-rmcv

References

  • TI-2024-16222 Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for… CVSS 3.1CRITICAL 9.8
  • TI-2025-31505 Zoom Clients for Windows - Untrusted Search Path CVSS 3.1CRITICAL 9.6
  • TI-2022-07035 Update package downgrade in Zoom Client for Meetings for Windows CVSS 3.1HIGH 8.8
  • TI-2024-30470 Zoom Apps - Buffer Overflow CVSS 3.1HIGH 8.8
  • TI-2022-17145 Local Privilege Escalation in Zoom Rooms for Windows Installers CVSS 3.1HIGH 8.8
  • TI-2025-20275 Zoom Apps - Heap-based Buffer Overflow CVSS 3.1HIGH 8.8
See all 108 →

Sources