Critical VMware vCenter Vulnerabilities Allow Authentication Bypass and Remote Code Execution (CVE-2026-59309, CVE-2026-59310)

Overview On July 29, 2026, Broadcom published security advisory VMSA-2026-0006 addressing multiple vulnerabilities in several VMWare products. Included in the advisory are two critical remotely exploitable vulnerabilities affecting VMware vCenter Server: CVE-2026-59309 and CVE-2026-59310 . Both vulnerabilities carry CVSSv3.1 base scores of 9.8 and can be exploited by unauthenticated attackers with network access to a vulnerable vCenter Server. CVE CVSSv3.1 Description Summary CVE-2026-59309 9.8 (Critical) An authentication bypass vulnerability in the VMware Directory Service of vCenter that co