CVE-2025-27688 Privilege escalation in Wyse Proprietary OS (Modern ThinOS)

What is CVE-2025-27688?

CVE-2025-27688 is a high-severity vulnerability in Dell Wyse Proprietary OS (Modern ThinOS), published on 18 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell ThinOS 2408 and prior, contains an improper permissions vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

Weakness: CWE-732

Which versions are affected by CVE-2025-27688?

It affects 1 product.

Products include Dell Thinos.

How do I fix CVE-2025-27688?

No fix has been published for CVE-2025-27688 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-27688 being exploited?

There is no known exploitation of CVE-2025-27688 in the wild and no public exploit code.

Other vulnerabilities in Dell Wyse Proprietary OS (Modern ThinOS)

• CVE-2026-81467 Command injection in ThinOS 10 Critical 9.8
• CVE-2026-81048 Command injection in ThinOS 10 Critical 9.6
• CVE-2025-43728 Security feature bypass in ThinOS 10 Critical 9.6
• CVE-2026-81046 Security feature bypass in ThinOS 10 Critical 9.4
• CVE-2026-81468 Command injection in ThinOS 10 Critical 9.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9r3q-46vq-8vvp.