CVE-2025-55696
NtQueryInformation Token function (ntifs.h) Elevation of Privilege Vulnerability
At a glance Severity HIGH 7.8 EPSS EPSS 0.22 % · percentile 13 (2026-10-27) State PUBLISHED Published 2025-10-14 Updated 2026-02-22 Assigner microsoft NVD status Analyzed
Description Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) allows an authorized attacker to elevate privileges locally.
Scores Version Score Vector Scored by CVSS 3.1 HIGH 7.8 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 microsoft CVSS 3.1 HIGH 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H NVD · secure@microsoft.com (Secondary) CVSS 3.1 HIGH 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.7919cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.7919cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.6456cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* < 10.0.19045.6456cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* < 10.0.22621.6060cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* ≤ 10.0.22631.6060cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* < 10.0.26100.6899cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* < 10.0.26200.6899cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.7919cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.4294cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.1913cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* ≤ 10.0.26100.6899
Affected products
References
Sources