Zoom Workplace VDI Client prior 6.3.14/6.4.12/6.5.10 on Windows signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Zoom Workplace VDI Client on Windows. It has been classified as critical. Affected is an unknown function. The manipulation leads to signature verification. This vulnerability is uniquely identified as CVE-2025-64740. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Zoom Workplace VDI Client on Windows. It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper verification of cryptographic signature in the installer for Zoom Workplace VDI Client for Windows may allow an authenticated user to conduct an escalation of privilege via local access.

It is possible to read the advisory at zoom.com. The identification of this vulnerability is CVE-2025-64740. The exploitation is known to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 274740 (Zoom Workplace VDI Client < 6.3.14 Vulnerability (ZSB-25042)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.3.14, 6.4.12 or 6.5.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (274740), EUVD (EUVD-2025-175323) and CERT Bund (WID-SEC-2025-2541). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Zoom Video Communications Workplace
  • Zoom Video Communications Rooms

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 7.5
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 274740
Nessus Name: Zoom Workplace VDI Client < 6.3.14 Vulnerability (ZSB-25042)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Workplace VDI Client 6.3.14/6.4.12/6.5.10

Timelineinfo

11/11/2025 Advisory disclosed
11/11/2025 +0 days VulDB entry created
01/14/2026 +64 days VulDB entry last update

Sourcesinfo

Advisory: zoom.com
Status: Confirmed

CVE: CVE-2025-64740 (🔒)
GCVE (CVE): GCVE-0-2025-64740
GCVE (VulDB): GCVE-100-331847
EUVD: 🔒
CERT Bund: WID-SEC-2025-2541 - Zoom Video Communications Workplace und Rooms: Mehrere Schwachstellen

Entryinfo

Created: 11/11/2025 11:14
Updated: 01/14/2026 03:09
Changes: 11/11/2025 11:14 (50), 11/11/2025 22:52 (2), 11/14/2025 03:10 (12), 11/14/2025 07:29 (1), 11/16/2025 09:13 (7), 01/14/2026 03:09 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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