EUVD-2025-20635
2025-07-08
[email protected]
7.8
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20635
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 7.8
Tags
Information Disclosure
Buffer Overflow
Windows Server 2022 23h2
Windows Server 2019
Windows 10 22h2
Windows 10 21h2
Windows Server 2012
Windows Server 2008
Windows 10 1607
Windows 11 22h2
Windows Server 2022
Windows Server 2025
Windows 11 24h2
Windows 11 23h2
Windows 10 1507
Windows 10 1809
Windows Server 2016
Microsoft
Description
Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.
Analysis
Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.
Technical Context
An out-of-bounds memory access occurs when code reads from or writes to memory locations outside the intended buffer boundaries. This vulnerability is classified as Out-of-bounds Read (CWE-125).
Affected Products
Affected products: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809
Remediation
Implement proper bounds checking on all array and buffer accesses. Use memory-safe languages or static analysis tools to detect OOB issues.
Priority Score
39
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +39
POC: 0
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