{"cve":"CVE-2026-28420","nvd":{"published":"2026-02-27T22:16:25.330","modified":"2026-06-17T10:28:35.407","status":"Analyzed","description":"Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","score":4.4},"cwes":["CWE-122","CWE-125"],"references":["https://github.com/vim/vim/commit/bb6de2105b160e729c34063","https://github.com/vim/vim/releases/tag/v9.2.0076","https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg","http://www.openwall.com/lists/oss-security/2026/02/27/9"],"products":["vim:vim"],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2026-28420","score":0.00206,"percentile":0.10692,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}