Linux Distros Unpatched Vulnerability : CVE-2026-96442

high Nessus Plugin ID 349335

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- 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. (CVE-2026-96442)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 349335

File Name: unpatched_CVE_2026_96442.nasl

Version: 1.6

Type: Local

Agent: unix

Family: Misc.

Published: 9/23/2026

Updated: 9/28/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.4

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:emacs24, p-cpe:/a:canonical:ubuntu_linux:emacs25, p-cpe:/a:canonical:ubuntu_linux:emacs, p-cpe:/a:canonical:ubuntu_linux:xemacs21-packages, p-cpe:/a:canonical:ubuntu_linux:xemacs21, p-cpe:/a:centos:centos:emacs-common, p-cpe:/a:centos:centos:emacs-el, p-cpe:/a:centos:centos:emacs-filesystem, p-cpe:/a:centos:centos:emacs-lucid, p-cpe:/a:centos:centos:emacs-nox, p-cpe:/a:centos:centos:emacs-nw, p-cpe:/a:centos:centos:emacs-terminal, p-cpe:/a:centos:centos:emacs, p-cpe:/a:debian:debian_linux:emacs, p-cpe:/a:redhat:enterprise_linux:emacs-common, p-cpe:/a:redhat:enterprise_linux:emacs-el, p-cpe:/a:redhat:enterprise_linux:emacs-filesystem, p-cpe:/a:redhat:enterprise_linux:emacs-lucid, p-cpe:/a:redhat:enterprise_linux:emacs-nox, p-cpe:/a:redhat:enterprise_linux:emacs-nw, p-cpe:/a:redhat:enterprise_linux:emacs-terminal, p-cpe:/a:redhat:enterprise_linux:emacs

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/23/2026

Reference Information

CVE: CVE-2026-96442

Detections

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