CVE-2026-96442
highA code execution flaw was found in Emacs, affecting versions prior to 31.2.
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
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-09-23 11:17
Modified: 2026-10-27 22:19
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-10-28 11:30 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/errata/RHSA-2026:84591 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:85245 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:90800 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2026-96442 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2537347 secalert@redhat.com
- https://github.com/emacs-mirror/emacs/commit/135e6f63f08fee3d374fa1a5187bce941a2d3e3c secalert@redhat.com
- https://github.com/emacs-mirror/emacs/commit/abc802ee2eb0b1663349ddf22a461f8e54a383fb secalert@redhat.com
- https://www.openwall.com/lists/oss-security/2026/09/14/1 secalert@redhat.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗