CVE-2026-73076

unknowncovered by 2 sourcesfirst seen 2026-08-11

Vim is an open source, command line text editor. Prior to 9.2.0847, runtime/autoload/vimball.vim allows a crafted vimball member named .VimballRecord to overwrite the installation record with attacker-chosen commands. When vimball#RmVimball() later processes the matching record entry, the stored Ex commands, including operating-system commands invoked through :!, execute with the privileges of the user running Vim. This issue is fixed in version 9.2.0847.

CSIRTS triage

What: Malicious `.VimballRecord` entries can be replayed to execute arbitrary commands via the vimball.vim plugin.
Who is affected: Vim users extracting or processing untrusted vimball package files.
Urgency: Unknown severity; update recommended as vimball handling may be a supply-chain attack vector.
Action: Update Vim and review vimball security settings or disable vimball support if not needed.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

Advisory coverage (2)

unknownCVE-2026-73076: Vim is an open source, command line text editor. Prior to 9.2.0847, runtime/autoload/vimball.v…nvd · 2026-08-11
unknownCVE-2026-73076: Vim: Arbitrary Command Execution via Malicious `.VimballRecord` Entry Replay in `vimball.vim`msrc · 2026-08-11

External references

NVD record for CVE-2026-73076

CVE.org record

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