Vulnerability Description
Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability
CVSS Score
7.4
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Edge Update | < 1.3.195.43 |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21399Vendor Advisory
- https://www.vicarius.io/vsociety/posts/elevation-of-privilege-vulnerability-in-mExploitThird Party Advisory
- https://www.vicarius.io/vsociety/posts/elevation-of-privilege-vulnerability-in-mExploitThird Party Advisory
FAQ
What is CVE-2025-21399?
CVE-2025-21399 is a vulnerability with a CVSS score of 7.4 (HIGH). Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability
How severe is CVE-2025-21399?
CVE-2025-21399 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21399?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Update.