Is CVE-2026-30900 in the CISA KEV catalog?

No. CVE-2026-30900 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-30900?

CVE-2026-30900 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2026-30900?

CVE-2026-30900 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-30900?

Upgrade meeting software development kit to 6.6.11 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-30900

HIGH

7.8

CVSS v3

NVD

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.

CWE-754

How to fix

Remediation Available

meeting software development kitNVD

Affected:>= 6.6.0, < 6.6.11Fixed in:6.6.11CVE-2026-30900derived from NVD

workplace desktopNVD

Affected:>= 6.6.0, < 6.6.11Fixed in:6.6.11CVE-2026-30900derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Vendor Advisory1

zoom.com

Related Vulnerabilities

Other CWE-754 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4367	High	8.8	73%	-	Fix
CVE-2022-39288	High	7.5	59%	-	Fix
CVE-2023-30591	High	7.5	54%	-	-
CVE-2023-41993	High	8.8	29%	KEV	Fix
CVE-2024-43044	High	8.8	29%	-	Fix
CVE-2024-3393	High	7.5	27%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-14.