CVE-2026-28420: Vim has Heap-based Buffer Overflow and OOB Read in :terminal

Overview

Severity

Medium (CVSS 4.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Feb

Released

2026-03-01

Last Updated

2026-03-10

EPSS Score

0.01% (percentile: 0.2%)

Affected Products (2)

Other

• 20682-17084
• 20683-17086

Revision History

• 2026-03-01: Information published.
• 2026-03-03: Information published.
• 2026-03-04: Information published.
• 2026-03-10: Information published.