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TI-2022-07035 Aliases CVE-2022-22786GHSA-678v-qchw-37jr

Update package downgrade in Zoom Client for Meetings for Windows

Priority MEDIUM 43CWE-494Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-494.

Summary

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01528 74th percentileScored 2026-11-07
Fix Fixed Zoom Client for Meetings for Windows (Zoom Video Communications Inc): 5.10.0Zoom Rooms for Conference Room for Windows (Zoom Video Communications Inc): 5.10.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Zoom Video Communications, Inc.Zoom Client for Meetings for Windowsbefore 5.10.05.10.0Patch availableCNA
Zoom Video Communications, Inc.Zoom Rooms for Conference Room for Windowsbefore 5.10.05.10.0Patch availableCNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:zoom:meetings:*:*:*:*:*:windows:*:*before 5.10.0VulnerableZoom Video Communications, Inc.
cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*before 5.10.0VulnerableZoom Video Communications, Inc.

Remediation

  • Fix · CNA Zoom Client for Meetings for Windows (Zoom Video Communications Inc) Fixed in 5.10.0
  • Fix · CNA Zoom Rooms for Conference Room for Windows (Zoom Video Communications Inc) Fixed in 5.10.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Zoom Client for Meetings for Windows 5.10.0

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-07034 Improperly constrained session cookies in Zoom Client for MeetingsPriority MEDIUM 45
    • TI-2022-07033 Improper XML Parsing in Zoom Client for MeetingsPriority MEDIUM 42
    • TI-2022-07036 Insufficient hostname validation during Clusterswitch message in Zoom Client for MeetingsPriority LOW 39

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-22786
  2. 2026-10-03 Alias added: GHSA-678v-qchw-37jr

References

  • TI-2021-13217 Improper certificate validation in Zoom Client for Meetings for Windows CVSS 3.1CRITICAL 9.8
  • TI-2021-13457 Buffer overflow in Zoom client and other products CVSS 3.1CRITICAL 9.8
  • TI-2022-11393 Improper URL parsing in Zoom Clients CVSS 3.1CRITICAL 9.6
  • TI-2022-07034 Improperly constrained session cookies in Zoom Client for Meetings CVSS 3.1CRITICAL 9.1
  • TI-2022-07033 Improper XML Parsing in Zoom Client for Meetings CVSS 3.1HIGH 8.1
  • TI-2020-09545 airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the… CVSS 3.1HIGH 7.5
See all 36 →

Sources