CVE-2026-57453: Vim: PowerShell Command Injection via Unescaped Filename in zip.vim Extraction
CSIRTS triage
- What
- PowerShell command injection can occur via an unescaped filename during zip.vim extraction in Vim.
- Who is affected
- Deployments using Vim with zip.vim functionality enabled.
- Urgency
- Remediation is medium urgency due to the medium severity rating, indicating a moderate risk of code injection.
- Action
- Apply the necessary updates to the Vim zip.vim functionality.
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-2026-57453
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-2026-574530.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-57453 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[UPDATE] [medium] vim: Multiple vulnerabilitiescert-bund
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