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CVE-2026-59309criticalobserved exploitationCWE-303

vCenter authentication-bypass vulnerability

50Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Actcvss 9.8epss 7.9%
from disclosure to weapon
Published on NVDJul 30
VulnCheck+15d
exploitation probability
7.9%top 6% of all CVEs
observed exploitation
yesVulnCheck
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H