CVE-2026-59310: in the CISA KEV catalogue

Broadcom VMware vCenter Path Traversal Vulnerability. CISA added CVE-2026-59310 to the Known Exploited Vulnerabilities catalogue on 2026-08-18 with a default due date of 2026-08-21. Known ransomware campaign use: Known. Forensic triage flag: Yes.

Broadcom VMware vCenter contains a path traversal vulnerability which could allow a threat actor with network access to vCenter to execute arbitrary code. (CISA description)

Vendor / product

Broadcom VMware vCenter

CWE

CWE-22

CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

EPSS

2.6%, percentile 85 (scored 2026-11-03)

EPSS puts about 2.6 in 100 odds (2.6%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 85% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.