CVE-2024-38041Public exploit

Kernel-address disclosure via unchecked AppID IOCTL

Published Jul 9, 2024 · Updated Feb 10, 2026

Information disclosure in the Windows Kernel allows local users with low privileges to read kernel addresses through the AppID driver. The appid.sys AipDeviceIoControlDispatch routine returns kernel pointers through IOCTL 0x22A014 without rejecting user-mode requests. Write access to the AppID device is required, and the disclosed pointers enable a KASLR bypass rather than data modification or service interruption.

CVSS severity5.5
Medium
EPSS probability2.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in the Windows Kernel allows local users with low privileges to read kernel addresses through the AppID driver. The appid.sys AipDeviceIoControlDispatch routine returns kernel pointers through IOCTL 0x22A014 without rejecting user-mode requests. Write access to the AppID device is required, and the disclosed pointers enable a KASLR bypass rather than data modification or service interruption.

The record

CVE
CVE-2024-38041
Published
Jul 9, 2024
Updated
Feb 10, 2026
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-200
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.17763.0 <10.0.17763.6054

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.6054
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.7159
Microsoft · Windows 11 version 21H2version=10.0.0 <10.0.22000.3079
Microsoft · Windows 10 Version 21H2version=10.0.19043.0 <10.0.19044.4651
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1009
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.7159
Microsoft · Windows 11 Version 22H3version=10.0.22631.0 <10.0.22631.3880
Microsoft · Windows 10 Version 22H2version=10.0.19045.0 <10.0.19045.4651
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.6054
Microsoft · Windows 11 Version 23H2version=10.0.22631.0 <10.0.22631.3880
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.3880
Microsoft · Windows 10 Version 1607version=10.0.14393.0 <10.0.14393.7159
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.2582
Microsoft · Windows 10 Version 1809version=10.0.17763.0 <10.0.17763.6054

Published CVSS scores

5.5Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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