CVE intelligence

CVE-2026-6368

Vulnerability intelligence

Published Aug 10, 2026Sources checked Oct 27, 2026

2.1LOWCVSS out of 10

What this means

Review the available evidence

CVE-2026-6368 and is rated Low severity with a CVSS score of 2.1. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Sep 25, 2026

Release Notes

Ubuntu Security Notices guidance

Vendor revision: Sep 10, 2026

USN-8737-1 fixed vulnerabilities in GNU C Library.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.1%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-6368?

Calling wordexp with WRDE_APPEND in the GNU C Library version 2.0 to version 2.43 can cause the interface to return invalid memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.

Source: NVD