CRITICAL CISA KEV

CVE-2026-59310

vCenter directory-traversal vulnerability

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

CISA Known Exploited Vulnerability

Date Added: 2026-08-18
Patch Due Date: 2026-08-21
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-07-30
Last Modified: 2026-08-18

Frequently asked questions

What is CVE-2026-59310?

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

Is CVE-2026-59310 actively exploited?

Yes. CVE-2026-59310 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-08-21.

What is the CVSS score for CVE-2026-59310?

CVE-2026-59310 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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