CVE-2025-65199: A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a

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HIGH 7.8WATCHLISTUPGRADE

CVE-2025-65199 is a high-severity flaw (CVSS 7.8) affecting windscribe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the 'adapterName' parameter of the 'changeMTU' function. Fixed in Windscribe v2.18.3-alpha and v2.18.8.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 31%)
CISA exploited list	No
Weakness	CWE-78
Published	2025-12-10
Last modified	2026-09-28

Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: windscribe

Last updated 2026-09-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-10 19:16 UTCPublished CVE record published
2026-09-28 22:10 UTCUpdated Record last modified

windscribe windscribe UPGRADE

Affected: >= 2.10.1 and <= 2.17.10 · 2.18.1 alpha · 2.18.3 · 2.18.5

Fixed in: newer than 2.17.10

Safe to downgrade to: a release before 2.10.1

1. Check installed version

apt-cache policy windscribe || rpm -q windscribe || windscribe --version

2. UPGRADE to newer than 2.17.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade windscribe

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade windscribe

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2.10.1 (Debian / Ubuntu)

apt-cache madison windscribe sudo apt install windscribe=<VERSION_BEFORE_2.10.1> sudo apt-mark hold windscribe

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list windscribe sudo dnf downgrade windscribe-<VERSION_BEFORE_2.10.1> sudo dnf versionlock add windscribe

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

Fedora ELN · jgmenu · FIXED · 4.7.0-1.eln159 · FEDORA-2026-40fa69cb49 · source

sudo dnf upgrade --advisory=FEDORA-2026-40fa69cb49

Fedora 46 · trustedqsl · FIXED · 2.8.7-1.fc46 · FEDORA-2026-6b1bc90ebc · source

sudo dnf upgrade --advisory=FEDORA-2026-6b1bc90ebc

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: hackingbydoing.wixsite.com/hackingbydoing/post/windscribe-vpn-local-privilege-escalation

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-65199?

windscribe: upgrade to newer than 2.17.10. Exact commands for each OS are on this page.

Is CVE-2025-65199 being exploited?

CVE-2025-65199 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-65199 affect?

CVE-2025-65199 affects windscribe. Severity is high (CVSS 7.8). A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the 'adapterName' parameter of the 'changeMTU' function.

How urgent is CVE-2025-65199?

Priority 55/100. High severity; Public exploit reference; On your watchlist

Related CVEs

CVE-2024-6141 HIGH 7.8 DOWNGRADE Windscribe Directory Traversal Local Privilege Escalation Vulnerability

References

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