What is CVE-2026-58293?

CVE-2026-58293 is a high-severity vulnerability in Microsoft Edge Chromium, classified under External Control of File Name or Path. CVSS score: 8.1/10. Published 2026-07-03.

How severe is CVE-2026-58293?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Microsoft Edge Chromium

CVE-2026-58293

External control of file name or path in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Edge_chromium
Microsoft Edge (Chromium-based) — versions 1.0.0.0

Weakness classification (CWE)

CWE-73 — External Control of File Name or Path

References

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-58293?: CVE-2026-58293 is a high-severity vulnerability in Microsoft Edge Chromium, classified under External Control of File Name or Path. CVSS score: 8.1/10. Published 2026-07-03.
How severe is CVE-2026-58293?: High severity. CVSS v3 base score is 8.1 out of 10.