Files or directories accessible to external parties in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
Conclusion & alert: CVE-2025-21264 is rated Moderate Risk (54.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.86%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-07 | 1.20% | 0.86% | -0.34% |
| 2 | 2026-03-20 | 0.87% | 1.20% | +0.32% |
| 3 | 2026-03-09 | — | 0.87% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.1 | 3.1 | HIGH |
|
1.8 | 4.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | visual_studio_code | < 1.100.1 | cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21264 | Vendor Advisory |