Path Traversal in Microsoft Edge Chromium
CVE-2026-57988
Relative path traversal in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.008 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Microsoft Edge Chromium
- Microsoft Edge (Chromium-Based) — versions 1.0.0.0
Weakness classification (CWE)
References
- Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-57988?
- CVE-2026-57988 is a high-severity vulnerability in Microsoft Edge Chromium, classified under Relative Path Traversal. CVSS score: 7.1/10. Published 2026-07-03.
- How severe is CVE-2026-57988?
- High severity. CVSS v3 base score is 7.1 out of 10.