CVE-2024-30038

HIGH

Windows 10 1507-22H2 and Windows 11 21H2-23H2 - Elevation of Privilege via Win32k Heap-based Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-30038. PoCs published by tykawaii98, jheysel-r7, including Metasploit module exploits/windows/local/cve_2024_30088_authz_basep.

AI-analyzed exploit summary This Metasploit module exploits CVE-2024-30088, a Windows Kernel Time of Check Time of Use (TOCTOU) vulnerability in AuthzBasepCopyoutInternalSecurityAttributes, allowing local privilege escalation (LPE) by manipulating token objects.

Description

Win32k Elevation of Privilege Vulnerability

Exploits (1)

metasploit WORKING POC EXCELLENT
by tykawaii98, jheysel-r7 · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2024_30088_authz_basep.rb

This Metasploit module exploits CVE-2024-30088, a Windows Kernel Time of Check Time of Use (TOCTOU) vulnerability in AuthzBasepCopyoutInternalSecurityAttributes, allowing local privilege escalation (LPE) by manipulating token objects.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Complex
Reliability
Racy
Target: Windows 10, Windows 11, Windows Server 2019/2022 (specific builds)
Auth required
Prerequisites: Local access to a vulnerable Windows system · Meterpreter session
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0255
EPSS Percentile 83.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122
Status published
Products (14)
microsoft/windows_10_1507 < 10.0.10240.20651 (2 CPE variants)
microsoft/windows_10_1607 < 10.0.14393.6981 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.5820
microsoft/windows_10_21h2 < 10.0.19044.4412
microsoft/windows_10_22h2 < 10.0.19045.4412
microsoft/windows_11_21h2 < 10.0.22000.2960
microsoft/windows_11_22h2 < 10.0.22621.3593
microsoft/windows_11_23h2 < 10.0.22631.3593
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
... and 4 more
Published May 14, 2024
Tracked Since Feb 18, 2026