Vulnerability Description
A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing syntax checking. Viewing or editing untrusted files using Emacs could lead to arbitrary code execution with the privileges of the user running Emacs.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2026-96442
- https://bugzilla.redhat.com/show_bug.cgi?id=2537347
- https://github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2
- https://github.com/emacs-mirror/emacs/commit/abc802ee2eb0b1663349ddf22a461f8e54a
- https://www.openwall.com/lists/oss-security/2026/09/14/1
FAQ
What is CVE-2026-96442?
CVE-2026-96442 is a vulnerability with a CVSS score of 7.8 (HIGH). A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing ...
How severe is CVE-2026-96442?
CVE-2026-96442 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-96442?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.