CVE-2023-21688

HIGH

NT OS Kernel - Privilege Escalation

Title source: llm

Description

NT OS Kernel Elevation of Privilege Vulnerability

Exploits (1)

nomisec WORKING POC
by hyunjungg · poc
https://github.com/hyunjungg/CVE-2023-21688

References (1)

Scores

CVSS v3 7.8
EPSS 0.0260
EPSS Percentile 85.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (15)
microsoft/windows_10_1507 < 10.0.10240.19747 (2 CPE variants)
microsoft/windows_10_1607 < 10.0.14393.5717 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.4010 (3 CPE variants)
microsoft/windows_10_20h2 < 10.0.19042.2604 (3 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.2604 (3 CPE variants)
microsoft/windows_10_22h2 < 10.0.19045.2604 (3 CPE variants)
microsoft/windows_11_21h2 < 10.0.22000.1574 (2 CPE variants)
microsoft/windows_11_22h2 < 10.0.22621.1265 (2 CPE variants)
microsoft/windows_server_2008 (2 CPE variants)
microsoft/windows_server_2008 r2 sp1
... and 5 more
Published Feb 14, 2023
Tracked Since Feb 18, 2026