CVE-2026-28420

MEDIUM

Vim <9.2.0076 - Buffer Overflow

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 4.4
EPSS 0.0001
EPSS Percentile 0.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-122 CWE-125
Status published
Products (1)
vim/vim < 9.2.0076
Published Feb 27, 2026
Tracked Since Feb 28, 2026