CVE-2026-96269

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-96269
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-22 21:17:35 UTC
Updated2026-09-24 21:00:46 UTC
DescriptionGNU 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.

Risk And Classification

Primary CVSS: v4.0 7.5 HIGH from [email protected]

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.001470000 probability, percentile 0.032790000 (date 2026-09-25)

Problem Types: CWE-829 | CWE-829 CWE-829 Inclusion of Functionality from Untrusted Control Sphere

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.5HIGHCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS7.5HIGHCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GNU Emacs affected 28.1 31.1 custom Not specified

References

ReferenceSourceLinkTags
debbugs.gnu.org/cgi/bugreport.cgi [email protected] debbugs.gnu.org
eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html af854a3a-2127-422b-91ae-364da2661108 eshelyaron.com
www.openwall.com/lists/oss-security/2026/08/20/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
yhetil.org/emacs/[email protected]/T [email protected] yhetil.org
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