CVE-2026-73078
GUI Vim netrw path parsing flaw allows command execution via crafted directory names.
Is CVE-2026-73078 being exploited?
Not confirmed. CVE-2026-73078 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-73078?
CVE-2026-73078 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-73078?
Yes. A fix has been recorded for CVE-2026-73078. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73078 affect?
CVE-2026-73078 affects Vim < 9.2.0840, GUI Vim (gvim, macvim), netrw plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73078?
Upgrade to Vim 9.2.0840+ and avoid opening untrusted directories in GUI Vim.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution: crafted directory paths in netrw let attackers execute arbitrary Ex and OS commands when a user browses or bookmarks the path in GUI Vim.
Immediate action required
- affected< 9.2.0840
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.