Status: EPSS-IMMINENT | Advisory ID: CVE-2026-59309
| CVE | CVE-2026-59309 |
| CVSS Score / Version | 9.8 (Critical) / CVSS v3.1 |
| Updated | 2026-09-23 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | VMware vCenter Server |
| Classified as | CWE-303 (Incorrect Implementation of Authentication Algorithm) |
| Exploitation prediction (EPSS) | 0.61% probability of exploitation in the next 30 days (47% percentile) -- FIRST.org's EPSS model. |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| VMware | vCenter Server |
| Subsystems | General OT |
| Sectors | Multi-sector |
VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system.
Monitor VMware's web page for any future patch releases. See vendor advisory link below.