CVE-2026-53406
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedInsufficient 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceInsufficient Verification of Data Authenticity in Zoom Contact Center for Windows Remote Control before version 7.0.0 allows an authenticated user to achieve privilege escalation via local access. The vulnerability stems from the remote control feature not properly validating the authenticity of data or commands, enabling a locally authenticated attacker to elevate privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 7.0.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Zoom Contact Center installationOpen Windows Settings > Apps > Installed Apps or use Programs and Features control panel. Search for 'Zoom Contact Center' to verify the application is present on the system.Affected if Zoom Contact Center for Windows is not installed - the user is not affected
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Determine installed Zoom Contact Center versionAccess the version information through one of these methods: (1) Right-click the Zoom Contact Center shortcut, select Properties, view the Details tab for Version field; (2) Open Zoom Contact Center and navigate to Help > About; (3) Use Windows PowerShell: Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*' | Where-Object {$_.DisplayName -like '*Zoom Contact Center*'}Affected if The version number shown is less than 7.0.0 (for example, 6.x.x or earlier)
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Verify Remote Control feature is presentLaunch Zoom Contact Center and navigate to the Remote Control settings or configuration panel. Check if the remote control functionality is listed, enabled, or accessible in the application menu system.Affected if The Remote Control feature is present or enabled in a version below 7.0.0 - the user is affected
A user is affected if Zoom Contact Center for Windows with the Remote Control feature is installed and the version number is below 7.0.0
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped7.0.0
Upgrade Zoom Contact Center for Windows to version 7.0.0 or later to obtain the patched component.
7.0.0 or later
- Obtain Zoom Contact Center Remote Control version 7.0.0 or later from the official Zoom website (www.zoom.com) or your Zoom admin portal
- Ensure you have administrative privileges on the Windows machine before upgrading
- Backup any existing Zoom Contact Center configuration data if applicable
- Download and install the Zoom Contact Center client version 7.0.0 or later for Windows
- Verify the installed version by checking the Zoom Contact Center client or contacting Zoom support
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-53406 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-53406 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data