Vulnerability DatabaseCVE-2026-96442
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CVE-2026-96442
Published:September 23, 2026
Updated:October 09, 2026
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.
Related Resources (9)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96442.json
https://github.com/emacs-mirror/emacs/commit/abc802ee2eb0b1663349ddf22a461f8e54a383fb
https://bugzilla.redhat.com/show_bug.cgi?id=2537347
https://www.openwall.com/lists/oss-security/2026/09/14/1
https://github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2d3e3c
https://git.savannah.gnu.org/cgit/emacs.git/
https://access.redhat.com/security/cve/CVE-2026-96442
https://nvd.nist.gov/vuln/detail/CVE-2026-96442
https://access.redhat.com/downloads/content/package-browser/
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
CWE-94
EPSS
Base Score:
0.17