CVE-2025-55696
vulnerability analysis and mitigation

Overview

The NtQueryInformation Token function (ntifs.h) Elevation of Privilege Vulnerability (CVE-2025-55696) is a security flaw identified in Microsoft's October 2025 Patch Tuesday release. This vulnerability is classified as Important and affects the Windows token information query functionality (GBHackers).

Technical details

The vulnerability exists in the NtQueryInformation Token function within the ntifs.h component, allowing potential elevation of privilege attacks. It has been assigned an Important severity rating, though specific CVSS scores were not provided in the available sources (GBHackers, BleepingComputer).

Impact

If exploited, this vulnerability could allow an attacker to gain elevated privileges on affected systems. The flaw is part of a broader set of privilege escalation vulnerabilities addressed in the October 2025 security updates (GBHackers).

Mitigation and workarounds

Microsoft has released a security patch to address this vulnerability as part of the October 2025 Patch Tuesday updates. Users and administrators are advised to apply the security update to protect affected systems (GBHackers).

Additional resources


SourceThis report was generated using AI

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