How severe is CVE-2026-6861?

CVE-2026-6861 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-6861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-6861?

CVE-2026-6861 affects Gnu Emacs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-6861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-6861 have an EU (EUVD) identifier?

Yes. CVE-2026-6861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24955.

When was CVE-2026-6861 published?

CVE-2026-6861 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2026-6861

CVE-2026-6861 is a medium-severity vulnerability in Gnu Emacs with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-193.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24955
Weakness: CWE-193
Affected product: Gnu Emacs
Published: 2026-04-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-6861?: 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.
How severe is CVE-2026-6861?: CVE-2026-6861 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-6861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-6861?: CVE-2026-6861 affects Gnu Emacs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-6861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6861 have an EU (EUVD) identifier?: Yes. CVE-2026-6861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24955.
When was CVE-2026-6861 published?: CVE-2026-6861 was published on 2026-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*

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