CVE-2025-49689 - Vulnerability Details - OpenCVE

Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49689

History

Tue, 08 Jul 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Jul 2025 17:15:00 +0000

Type	Values Removed	Values Added
Description		Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.
Title		Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability
Weaknesses		CWE-125 CWE-190 CWE-822
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49689
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-07-08T16:57:15.512Z

Updated: 2025-07-11T22:32:06.376Z

Reserved: 2025-06-09T19:59:44.873Z

Link: CVE-2025-49689

Vulnrichment

Updated: 2025-07-08T19:21:48.716Z

NVD

Status : Awaiting Analysis

Published: 2025-07-08T17:15:54.680

Modified: 2025-07-10T13:18:53.830

Link: CVE-2025-49689

Redhat

No data.

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"datePublic": "2025-07-08T07:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49689", "name": "Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en-US", "value": "Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound"}, {"lang": "en-US", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125: Out-of-bounds Read"}, {"lang": "en-US", "type": "CWE", "cweId": "CWE-822", "description": "CWE-822: Untrusted Pointer Dereference"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "vulnerable": true, "versionEndExcluding": "10.0.17763.7558", "versionStartIncluding": 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