High severity · published Nov 13, 2025
CVE-2025-64740
Zoom Workplace VDI Client for Windows - Improper Verification of Cryptographic Signature
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZW
Zoom Workplace VDI Client · Zoom Communications Inc.
see references · source: vendor
WV
Workplace Virtual Desktop Infrastructure · Zoom
before 6.3.14; 6.4.10 before 6.4.12 · source: NVD
Affected product
ZW
Zoom Workplace VDI Client
Zoom Communications Inc.