High severity · published Mar 11, 2026
CVE-2026-30900
Zoom Workplace Clients for Windows - Improper Check
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Improper Check of minimum version in update functionality of certain Zoom Clients 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 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZW
Zoom Workplace · Zoom Communications Inc.
6.6.0 before 6.6.11 · source: vendor
MS
Meeting Software Development Kit · Zoom
6.6.0 before 6.6.11 · source: NVD
WD
Workplace Desktop · Zoom
6.6.0 before 6.6.11 · source: NVD
WV
Workplace Virtual Desktop Infrastructure · Zoom
through 6.6.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30900
Vendor Advisory
https://www.zoom.com/en/trust/security-bulletin/zsb-26002
More from Zoom Workplace
9.8
CVE-2025-62484
Zoom Workplace Clients - Inefficient Regular Expression Complexity
7.8
CVE-2026-30902
Zoom Clients for Windows - Improper Privilege Management
6.1
CVE-2025-62482
Zoom Workplace for Windows - Cross-site Scripting