CVE-2026-52860: Vim: Arbitrary Code Execution via Python Omni-Completion
CSIRTS triage
- What
- The vulnerability allows for arbitrary code execution via Python Omni-Completion.
- Who is affected
- Deployments using Vim with Python Omni-Completion enabled.
- Urgency
- Remediation urgency is unknown due to the severity being unspecified.
- Action
- Check for updates or patches for Vim.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-52860
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-528600.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-52860 | coverage & exploitation status | NVD · CVE.org |
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