How severe is CVE-2026-42307?

CVE-2026-42307 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-42307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-42307?

CVE-2026-42307 affects Vim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-42307?

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

Does CVE-2026-42307 have an EU (EUVD) identifier?

Yes. CVE-2026-42307 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28851.

When was CVE-2026-42307 published?

CVE-2026-42307 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-42307

CVE-2026-42307 is a medium-severity vulnerability in Vim with a CVSS 3.x base score of 4.4. 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28851
Weakness: CWE-78
Affected product: Vim
Published: 2026-05-08
Last modified: 2026-06-17

Description

Vim is an open source, command line text editor. Prior to version 9.2.0383, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the sftp:// or file:// protocol handlers), an attacker can execute arbitrary shell commands with the privileges of the Vim process. This issue has been patched in version 9.2.0383.

Frequently asked questions

What is CVE-2026-42307?: Vim is an open source, command line text editor. Prior to version 9.2.0383, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the sftp:// or file:// protocol handlers), an attacker can execute arbitrary shell commands with the privileges of the Vim process. This issue has been patched in version 9.2.0383.
How severe is CVE-2026-42307?: CVE-2026-42307 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-42307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-42307?: CVE-2026-42307 affects Vim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-42307?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42307 have an EU (EUVD) identifier?: Yes. CVE-2026-42307 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28851.
When was CVE-2026-42307 published?: CVE-2026-42307 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

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