CVE-2026-96442
Emacs: emacs: arbitrary code execution, incomplete fix for cve-2024-53920
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-94 |
| Vendor | red hat |
| Product | red hat enterprise linux 10 |
| Published | Sep 23, 2026 |
| Last Updated | Sep 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-96442 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2537347 github.com: https://github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2d3e3c github.com: https://github.com/emacs-mirror/emacs/commit/abc802ee2eb0b1663349ddf22a461f8e54a383fb openwall.com: https://www.openwall.com/lists/oss-security/2026/09/14/1