How severe is CVE-2026-53406?

CVE-2026-53406 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-53406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53406?

CVE-2026-53406 affects Zoom Remote Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-53406?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-53406 have an EU (EUVD) identifier?

Yes. CVE-2026-53406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36521.

When was CVE-2026-53406 published?

CVE-2026-53406 was published on 2026-06-12 and last updated on 2026-06-29.

CVE-2026-53406

CVE-2026-53406 is a high-severity vulnerability in Zoom Remote Control with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-345.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36521
Weakness: CWE-345
Affected product: Zoom Remote Control
Published: 2026-06-12
Last modified: 2026-06-29

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.

Frequently asked questions

What is CVE-2026-53406?: 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.
How severe is CVE-2026-53406?: CVE-2026-53406 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-53406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53406?: CVE-2026-53406 affects Zoom Remote Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-53406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-53406 have an EU (EUVD) identifier?: Yes. CVE-2026-53406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36521.
When was CVE-2026-53406 published?: CVE-2026-53406 was published on 2026-06-12 and last updated on 2026-06-29.

References

https://www.zoom.com/en/trust/security-bulletin/zsb-26009

Affected products (1)

cpe:2.3:a:zoom:remote_control:*:*:*:*:*:windows:*:*

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