RCE in Red Hat Enterprise Linux 10
CVE-2026-96442
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-96442 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2d3e3c
- github.com/emacs-mirror/emacs/commit/abc802ee2eb0b1663349ddf22a461f8e54a383fb
- www.openwall.com/lists/oss-security/2026/09/14/1
Frequently asked questions
- What is CVE-2026-96442?
- CVE-2026-96442 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Code Injection. CVSS score: 7.8/10. Published 2026-09-23.
- How severe is CVE-2026-96442?
- High severity. CVSS v3 base score is 7.8 out of 10.