CVE-2025-21399
HIGH
2025-01-17
[email protected]
7.4
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 28, 2026 - 18:04 vuln.today
PoC Detected
Jul 03, 2025 - 11:22 vuln.today
Public exploit code
CVE Published
Jan 17, 2025 - 20:15 nvd
HIGH 7.4
Description
Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability
Analysis
Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. Public exploit code available and no vendor patch available.
Technical Context
This vulnerability is classified under CWE-426. Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability Affected products include: Microsoft Edge Update.
Affected Products
Microsoft Edge Update.
Remediation
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Priority Score
57
Low
Medium
High
Critical
KEV: 0
EPSS: +0.2
CVSS: +37
POC: +20
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).