CVE-2025-55696 - Vulnerability Details - OpenCVE

Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Windows Windows 10 Windows 11 Windows Server Windows Server 2019 Windows Server 2022 Windows Server 2025

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55696

History

Thu, 23 Oct 2025 13:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Microsoft Microsoft windows Microsoft windows 10 Microsoft windows 11 Microsoft windows Server Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
Vendors & Products		Microsoft Microsoft windows Microsoft windows 10 Microsoft windows 11 Microsoft windows Server Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025

Tue, 14 Oct 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, 14 Oct 2025 17:15:00 +0000

Type	Values Removed	Values Added
Description		Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) allows an authorized attacker to elevate privileges locally.
Title		NtQueryInformation Token function (ntifs.h) Elevation of Privilege Vulnerability
Weaknesses		CWE-367 CWE-822
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55696
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-10-14T17:01:12.774Z

Updated: 2025-10-24T23:08:13.879Z

Reserved: 2025-08-13T20:00:27.683Z

Link: CVE-2025-55696

Vulnrichment

Updated: 2025-10-14T19:36:00.696Z

NVD

Status : Awaiting Analysis

Published: 2025-10-14T17:15:51.343

Modified: 2025-10-14T19:35:56.913

Link: CVE-2025-55696

Redhat

No data.

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