How severe is CVE-2026-30900?

CVE-2026-30900 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-2026-30900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30900?

CVE-2026-30900 primarily affects Zoom Meeting Software Development Kit. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-30900?

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-2026-30900 have an EU (EUVD) identifier?

Yes. CVE-2026-30900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11164.

When was CVE-2026-30900 published?

CVE-2026-30900 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-30900

CVE-2026-30900 is a high-severity vulnerability in Zoom Meeting Software Development Kit 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-754.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11164
Weakness: CWE-754
Affected product: Zoom Meeting Software Development Kit
Published: 2026-03-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-30900?: 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.
How severe is CVE-2026-30900?: CVE-2026-30900 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-2026-30900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30900?: CVE-2026-30900 primarily affects Zoom Meeting Software Development Kit. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-30900?: 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-2026-30900 have an EU (EUVD) identifier?: Yes. CVE-2026-30900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11164.
When was CVE-2026-30900 published?: CVE-2026-30900 was published on 2026-03-11 and last updated on 2026-06-17.

References

https://www.zoom.com/en/trust/security-bulletin/zsb-26002

Affected products (3)

cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

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