# CVE-2026-30900: Zoom Workplace Clients for Windows - Improper Check

> An authenticated local user can escalate privileges due to improper minimum version checks in the Zoom Workplace Windows client update functionality.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Mar 2026
- **Updated:** 12 Mar 2026
- **Also known as:** GHSA-gm6c-gr8h-r4hg

## What is CVE-2026-30900?

CVE-2026-30900 is a high-severity vulnerability in Zoom Meeting Software Development Kit, published on 11 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-754 (Improper Check for Unusual or Exceptional Conditions)

## Which versions are affected by CVE-2026-30900?

It affects 3 products.


Products: Zoom Meeting Software Development Kit, Zoom Workplace Desktop, Zoom Workplace Virtual Desktop Infrastructure.

## How do I fix CVE-2026-30900?

No fix has been published for CVE-2026-30900 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-30900 being exploited?

There is no known exploitation of CVE-2026-30900 in the wild and no public exploit code.

## Other vulnerabilities in Zoom Meeting Software Development Kit

- [CVE-2025-49457](https://insights.sbomify.com/CVE-2025-49457/): Zoom Clients for Windows - Untrusted Search Path (critical 9.6)
- [CVE-2024-24691](https://insights.sbomify.com/CVE-2024-24691/): Privilege escalation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows (critical 9.6)
- [CVE-2025-30663](https://insights.sbomify.com/CVE-2025-30663/): Zoom Workplace Apps - Time-of-check Time-of-use (high 8.8)
- [CVE-2025-0147](https://insights.sbomify.com/CVE-2025-0147/): Zoom Workplace App for Linux - Type Confusion (high 8.8)
- [CVE-2023-49647](https://insights.sbomify.com/CVE-2023-49647/): Zoom Desktop Client for Windows - Improper Access Control (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-30900 and fix it if it is affected.

What it is: CVE-2026-30900 is a high-severity vulnerability in Zoom Meeting Software Development Kit, published on 11 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-30900 in the wild and no public exploit code.

Affected product: Zoom Meeting Software Development Kit. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-30900/ (Markdown: https://insights.sbomify.com/CVE-2026-30900/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-30900
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-30900
- OSV: https://osv.dev/vulnerability/CVE-2026-30900

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-30900/
Summaries are generated and may contain mistakes; the official description above is the record.