Buffer overflow in Vim
CVE-2026-26269
Vim is an open source, command line text editor. Prior to 9.1.2148, a stack buffer overflow vulnerability exists in Vim's NetBeans integration when processing the specialKeys command, affecting Vim builds that enable and use the NetBeans f…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (20.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.
Affected products
- Vim — versions < 9.1.2148
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-26269?
- CVE-2026-26269 is a medium-severity vulnerability in Vim, classified under Stack-based Buffer Overflow. CVSS score: 5.4/10. Published 2026-02-13.
- How severe is CVE-2026-26269?
- Medium severity. CVSS v3 base score is 5.4 out of 10.