CVE-2026-96442

Emacs: emacs: arbitrary code execution, incomplete fix for cve-2024-53920

Published: Sep 23, 2026Updated: Sep 23, 2026 Sources: CVE List NVDCWE-94

7.8HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-94

Affected Products

Red Hat

commercial·US

Red Hat Enterprise Linux 10On-premOS

Operating Systems / linux-distro

and 4 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://access.redhat.com/security/cve/CVE-2026-96442

access.redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2537347

bugzilla.redhat.com

https://github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2d3e3c

github.com

and 2 more references View all →

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