CVE-2026-28421

7.8 highEPSS 0.2%

High (7.8) in vim vim. EPSS 0.2% chance of exploitation in the next 30 days.

Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version 9.2.0077 fixes the issue.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWEs: CWE-20, CWE-122
Published: 2026-02-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

vim:vim

References

https://github.com/vim/vim/commit/65c1a143c331c886dc28
https://github.com/vim/vim/releases/tag/v9.2.0077
https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p
http://www.openwall.com/lists/oss-security/2026/02/27/10

Check your stack JSON