RCE in Microsoft Edge Chromium
CVE-2025-59251
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Vulnerability class: Buffer Overflow
EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L.
Affected products
- Microsoft Edge_chromium
- Microsoft Edge (Chromium-based) — versions 1.0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59251?
- CVE-2025-59251 is a high-severity vulnerability in Microsoft Edge Chromium, classified under Stack-based Buffer Overflow. CVSS score: 7.6/10. Published 2025-09-24.
- How severe is CVE-2025-59251?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2025-59251 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.