Code Execution Flaw in Emacs Affecting Versions Prior to 31.2
CVE-2026-96442

7.8HIGH

Key Information:

Vendor: Red Hat
Status: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8
Vendor: CVE Published:; 23 September 2026

What is CVE-2026-96442?

A code execution flaw exists in Emacs that impacts versions prior to 31.2, enabling the Flymake mode to execute arbitrary code from untrusted files during syntax checking. Users editing or viewing files that are not trusted can inadvertently execute code with the privileges of the user running Emacs, creating a significant security risk. It is crucial for users to upgrade to the latest version to mitigate this vulnerability.