# CVE-2023-34120: Zoom Skype for Business Plugin: Improper Verification of Cryptographic Signature

CVE-2023-34120 has no fix on record yet for 1 affected product. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-34120
- Priority: High
- CVSS: 7.8
- EPSS: 0.0013
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 13, 2023
- Weakness: CWE-347: Improper Verification of Cryptographic Signature
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-34120

## Description

Improper privilege management in Zoom for Windows, Zoom Rooms for Windows, and Zoom VDI for Windows clients before 5.14.0  may allow an authenticated user to potentially enable an escalation of privilege via local access. Users may potentially utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.

## Where it's fixed

No fix is on record.

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Zoom Skype for Business Plugin | no-fix |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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