How severe is CVE-2026-28422?

CVE-2026-28422 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-28422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28422?

CVE-2026-28422 affects Vim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28422?

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

Does CVE-2026-28422 have an EU (EUVD) identifier?

Yes. CVE-2026-28422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9090.

When was CVE-2026-28422 published?

CVE-2026-28422 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-28422

CVE-2026-28422 is a low-severity vulnerability in Vim with a CVSS 3.x base score of 2.2. 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-121.

Key facts

Severity: Low (CVSS 3.x base score 2.2)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9090
Weakness: CWE-121
Affected product: Vim
Published: 2026-02-27
Last modified: 2026-06-17

Description

Vim is an open source, command line text editor. Prior to version 9.2.0078, a stack-buffer-overflow occurs in `build_stl_str_hl()` when rendering a statusline with a multi-byte fill character on a very wide terminal. Version 9.2.0078 patches the issue.

Frequently asked questions

What is CVE-2026-28422?: Vim is an open source, command line text editor. Prior to version 9.2.0078, a stack-buffer-overflow occurs in `build_stl_str_hl()` when rendering a statusline with a multi-byte fill character on a very wide terminal. Version 9.2.0078 patches the issue.
How severe is CVE-2026-28422?: CVE-2026-28422 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-28422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28422?: CVE-2026-28422 affects Vim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28422 have an EU (EUVD) identifier?: Yes. CVE-2026-28422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9090.
When was CVE-2026-28422 published?: CVE-2026-28422 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (1)

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

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