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HIGH

CVE-2026-96442

CVSS v3

7.8

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-23
Last Modified
2026-09-24

Frequently asked questions

What is CVE-2026-96442?

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.

Is CVE-2026-96442 actively exploited?

Active exploitation of CVE-2026-96442 has not been confirmed. Its EPSS score was 0.2% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-96442?

CVE-2026-96442 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2026-96442 affecting your environment?

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