CVE-2026-59309

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 0.61%
EPSS Percentile: 48.52%
CISA KEV: Not listed

Description

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 30-Jul-2026 20:16
Last Modified: 26-Aug-2026 01:12
EPSS Date: 2026-10-21
CWE: CWE-303

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

Affected Products / Versions

vmware / vcenter_server
Version / affected range: * · before (exclusive) 8.0
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update1d:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update1e:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update2:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update2a:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update2b:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update2c:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update2d:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update2e:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3a:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3b:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3c:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3d:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3e:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3g:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3h:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3i:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:update3j:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: * · from (inclusive) 9.0 · before (exclusive) 9.0.2.0100
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
vmware / vcenter_server
Version / affected range: * · from (inclusive) 9.1 · before (exclusive) 9.1.0.0300
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*

References

[email protected]

Last enrichment sync: 22-Oct-2026 17:19
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (3)

It also fixed CVE-2026-59347 in HGFS, while warning that VMware products remain a frequent target after recent exploitation of VMware vCenter flaws CVE-2026-59309 and CVE-2026-59310. Broadcom Patches Critical VMware Workstation and Fusion Flaws Enabling Host Code Execution
CVE-2026-59309 enables authentication bypass in VMware Directory Service. Broadcom Patches Five VMware Flaws, Including VM Escape and Authentication Bypass
CVE-2026-59309 is a critical authentication bypass in VMware vCenter. Broadcom Patches VMware Flaws That Could Enable Authentication Bypass and Code Execution

CVE (6)

Malware (1)

People (5)

MITRE ATT&CK (3)

Vendors (2)

Products (11)

Countries (5)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.