Medium severity · published Apr 8, 2025
CVE-2025-27443
Zoom Workplace Apps for Windows - Insecure Default Variable Initialization
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
Insecure default variable initialization in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a loss of integrity via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZW
Zoom Workplace Apps for Windows · Zoom Communications, Inc
See references. · source: vendor
MS
Meeting Software Development Kit · Zoom
before 6.3.10 · source: NVD
RO
Rooms · Zoom
before 6.4.0 · source: NVD
RC
Rooms Controller · Zoom
before 6.4.0 · source: NVD
WD
Workplace Desktop · Zoom
before 6.3.10 · source: NVD
Affected product
ZW
Zoom Workplace Apps for Windows
Zoom Communications, Inc
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-27443
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-27443
Vendor Advisory
https://www.zoom.com/en/trust/security-bulletin/zsb-25014
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