A TOCTOU flaw in a VMware Fusion SETUID binary lets local non-admin users escalate to root
Status: UPDATED
| Advisory ID: CVE-2026-41702
Key Details
| CVE | CVE-2026-41702 |
| CVSS Score / Version | 7.8 (High) / CVSS v3.1 |
| CVSS Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | VMware fusion |
| Classified as | CWE-367 (Time-of-check Time-of-use (TOCTOU) Race Condition) |
| Exploitation prediction (EPSS) | 0.12% probability of exploitation in the next 30 days (2% percentile) -- FIRST.org's EPSS model. |
Affected Products, Subsystems & Sectors
| Subsystems | General OT |
| Sectors | Multiple |
What to Know
VMware Fusion contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is installed.
What to Do
Monitor VMware's web page for any future patch releases. See vendor advisory link below.
References