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TI-2023-09027 Aliases CVE-2023-22883GHSA-9p9p-7h6v-q4v7

Local Privilege Escalation in Zoom for Windows Installers

Priority LOW 35CWE-367Published · 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
Fixed

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

Summary

Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain during the installation process to escalate their privileges to the SYSTEM user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00185 8th percentileScored 2026-11-07
Fix Fixed Zoom Client for Meetings for IT Admin Windows installers (Zoom Video Communications Inc): 5.13.5

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 IT Admin Windows installersbefore 5.13.55.13.5Patch availableCNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zoom:meetings:*:*:*:*:*:windows:*:*before 5.13.5VulnerableZoom Video Communications, Inc.

Remediation

  • Fix · CNA Zoom Client for Meetings for IT Admin Windows installers (Zoom Video Communications Inc) Fixed in 5.13.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-22883
  2. 2026-10-03 Alias added: GHSA-9p9p-7h6v-q4v7

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-2022-07035 Update package downgrade in Zoom Client for Meetings for Windows CVSS 3.1HIGH 8.8
  • TI-2022-07033 Improper XML Parsing in Zoom Client for Meetings CVSS 3.1HIGH 8.1
See all 36 →

Sources