7.8

CVE-2026-96442: gnu emacs Code Injection

CVSS: 7.8v3.1HighAwaiting analysis
AliasesSUSE-SU-2026:23949-1SUSE-SU-2026:4594-1UBUNTU-CVE-2026-96442
Published 23-09-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-96442 is a high (CVSS 7.8) Code Injection vulnerability in gnu emacs. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2026:84591

Timeline

  1. 23-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

24-09-202621-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse14 products
  • emacs&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 27.2-150400.3.34.1
  • emacs&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 27.2-150400.3.34.1
  • emacs&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 27.2-150400.3.34.1
  • emacs&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 27.2-150400.3.34.1
  • emacs&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 27.2-150400.3.34.1
Redhat10 products
  • emacs< 1:27.2-18.el9_8.3
  • emacs-common< 1:27.2-18.el9_8.3
  • emacs-common-debuginfo< 1:27.2-18.el9_8.3
  • emacs-debuginfo< 1:27.2-18.el9_8.3
  • emacs-debugsource< 1:27.2-18.el9_8.3
Ubuntu5 products
  • emacsAll versions (No fix recorded)
  • emacs24All versions (No fix recorded)
  • emacs25All versions (No fix recorded)
  • xemacs21All versions (No fix recorded)
  • xemacs21-packagesAll versions (No fix recorded)
Opensuse2 products
  • emacs&distro=openSUSE Leap 16.0< 30.2-160000.4.1
  • emacs&distro=openSUSE Tumbleweed< 31.1-4.1
Debian1 product
  • emacsAll versions (No fix recorded)
Gnu emacs1 product

6 vendors · 33 products

References

17 links
Show all 17 references