CVE-2026-6861: A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially…

CVE-2026-6861 · Severity: medium · CVSS 6.1 · Published 2026-04-22

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.

Technologies: Gnu Emacs. Vendors: Gnu.

Quick answers

Is CVE-2026-6861 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-6861 being exploited in the wild.
How severe is CVE-2026-6861?
Medium severity, with a CVSS score of 6.1, published 22 April 2026.
Which products and versions are affected?
Gnu Emacs. The advisory does not name versions.
Is there a fix for CVE-2026-6861?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-6861?
Check whether you run Gnu Emacs. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Gnu Emacs

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