Is CVE-2026-6861 in the CISA KEV catalog?

No. CVE-2026-6861 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-6861?

CVE-2026-6861 has a CVSS v3 base score of 6.1 (Moderate).

What is the EPSS score for CVE-2026-6861?

CVE-2026-6861 has an EPSS score of 0.11% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6861?

Upgrade emacs on debian unstable to 1:30.2+1-3 or later.

CVE & CISA-KEV Catalog

CVE-2026-6861

MEDIUM

6.1

CVSS v3

NVD

Description

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.

CWE-193

How to fix

Remediation Available

emacsDebian

Fixed in:1:30.2+1-3CVE-2026-6861

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H/E:U

Exploit Intelligence

0.11%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Third-Party Advisory2

Embed a live status badge for CVE-2026-6861

Markdown

[![CVE-2026-6861](https://tridentstack.com/cve/badge/CVE-2026-6861.svg)](https://tridentstack.com/cve/CVE-2026-6861)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-6861"><img src="https://tridentstack.com/cve/badge/CVE-2026-6861.svg" alt="CVE-2026-6861"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.