Remote Control for Zoom Contact Center: Insufficient Verification of Data Authenticity
CVE-2026-53406 is a high-severity insufficient verification of data authenticity vulnerability in Remote Control for Zoom Contact Center from Zoom Communications, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. The record lists version 7.0.0 as the first without the flaw, so updating Remote Control for Zoom Contact Center to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.08% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Remote Control for Zoom Contact Center to 7.0.0 or a later version.
- Update Remote Control to 7.0.0 or a later version.
- Read the advisory on zoom.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Zoom Communications | Remote Control for Zoom Contact Center | before 7.0.0 | 7.0.0 |
| Zoom | Remote Control | before 7.0.0 | 7.0.0 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (zoom.us).
Official description
Insufficient Verification of Data Authenticity in Remote Control for Zoom Contact Center for Windows before version 7.0.0 may allow an authenticated user to enable an escalation of privilege via local access.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
More Insufficient Verification of Data Authenticity vulnerabilities (CWE-345)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Recent Insufficient Verification of Data Authenticity vulnerabilities
- 10.0 Critical severity
- 10.0 Critical severity
- 8.9 High severity
- 9.8 Critical severity
- 8.6 High severity
- 7.5 High severity
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