EUVD-2025-20639
2025-07-08
[email protected]
7.0
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
4
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20639
PoC Detected
Jul 15, 2025 - 17:16 vuln.today
Public exploit code
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 7.0
Description
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
Analysis
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
Technical Context
A use-after-free vulnerability occurs when a program continues to use a pointer after the referenced memory has been freed, leading to undefined behavior. This vulnerability is classified as Use After Free (CWE-416).
Affected Products
Affected products: Microsoft Windows 11 22H2
Remediation
Use memory-safe languages. Implement proper object lifecycle management. Use static and dynamic analysis tools to detect UAF patterns.
Priority Score
56
Low
Medium
High
Critical
KEV: 0
EPSS: +1.2
CVSS: +35
POC: +20
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