# CVE-2025-15642: Netskope Client Service Insufficient Access Controls

> A malicious insider with admin privileges can bypass Netskope Client tamper protections due to weak access controls on service objects and registry keys.

- **Severity:** Medium 6.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Jun 2026
- **Updated:** 17 Jun 2026
- **Also known as:** GHSA-h97f-r8gj-6j53

## What is CVE-2025-15642?

CVE-2025-15642 is a medium-severity vulnerability in Netskope Client, published on 17 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Netskope is notified about a potential gap in its Netskoped Client for Windows systems where a malicious insider with admin privileges can lead to bypassing the NSClient Tamper Protections due to weak Discretionary Access Control List (DACLs) on the service object and related registry keys,.
  *  Product Name: Netskope Client
  *  Affected Platform: Windows
  *  Affected Version: All version below R138

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2025-15642?


## How do I fix CVE-2025-15642?

No fix has been published for CVE-2025-15642 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-15642 being exploited?

There is no known exploitation of CVE-2025-15642 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15642 and fix it if it is affected.

What it is: CVE-2025-15642 is a medium-severity vulnerability in Netskope Client, published on 17 Jun 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-2025-15642 in the wild and no public exploit code.

Affected product: Netskope Client. 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-2025-15642/ (Markdown: https://insights.sbomify.com/CVE-2025-15642/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15642
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15642
- OSV: https://osv.dev/vulnerability/CVE-2025-15642

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-15642/
Summaries are generated and may contain mistakes; the official description above is the record.