CVE-2026-96442CWE-94code-injection

CVE-2026-96442

High · published September 23, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00166 · 5.5th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-23T15:17Z
References (7)
https://bugzilla.redhat.com/show_bug.cgi?id=2537347 · [email protected]https://access.redhat.com/errata/RHSA-2026:84591 · [email protected]https://access.redhat.com/errata/RHSA-2026:85245 · [email protected]https://access.redhat.com/security/cve/CVE-2026-96442 · [email protected]https://github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2d3e3c · [email protected]https://github.com/emacs-mirror/emacs/commit/abc802ee2eb0b1663349ddf22a461f8e54a383fb · [email protected]https://www.openwall.com/lists/oss-security/2026/09/14/1 · [email protected]
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 10:10Z
    Emacs: emacs: arbitrary code execution, incomplete fix for cve-2024-53920
    cvelistv5