CVE-2026-96269

emacs: GNU Emacs: Arbitrary code execution upon opening a file

Published Sep 22, 2026 CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
Description
GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Arbitrary Code Execution via read-symbol-shorthands in GNU Emacs emacs: GNU Emacs: Arbitrary code execution upon opening a file
Weaknesses CWE-94
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important

Type Values Removed Values Added
Title Arbitrary Code Execution via read-symbol-shorthands in GNU Emacs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.
First Time appeared Gnu
Gnu emacs
Weaknesses CWE-829
CPEs cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*
Vendors & Products Gnu
Gnu emacs
References
Metrics cvssV4_0

{'score': 7.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 24, 2026, 1:51 AM
Reserved
Sep 22, 2026, 8:32 PM
Status
Awaiting Analysis
Published
Sep 22, 2026, 9:17 PM
Modified
Sep 24, 2026, 9:00 PM
Severity
Important
Public date
Sep 22, 2026, 8:32 PM