High severity · published Mar 11, 2026
CVE-2026-30901
Zoom Rooms for Windows - Improper Input Validation
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Improper Input Validation in Zoom Rooms for Windows before 6.6.5 in Kiosk Mode 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 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZR
Zoom Rooms · Zoom Communications Inc.
before 6.6.5 · source: vendor
RO
Rooms · Zoom
before 6.6.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30901
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30901
Vendor Advisory
https://www.zoom.com/en/trust/security-bulletin/zsb-26003
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