CVE-2024-43646

Privilege elevation via untrusted pointer dereference

Published Nov 12, 2024 · Updated Jul 8, 2025

Untrusted pointer dereference in Microsoft Windows Secure Kernel Mode allows local users to elevate privileges within the affected system. Secure Kernel Mode dereferences an untrusted pointer, but Microsoft has not identified the affected function or disclosed how input reaches it. Exploitation requires local access and existing high privileges; successful use grants higher control within the affected system.

CVSS severity6.7
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Untrusted pointer dereference in Microsoft Windows Secure Kernel Mode allows local users to elevate privileges within the affected system. Secure Kernel Mode dereferences an untrusted pointer, but Microsoft has not identified the affected function or disclosed how input reaches it. Exploitation requires local access and existing high privileges; successful use grants higher control within the affected system.

The record

CVE
CVE-2024-43646
Published
Nov 12, 2024
Updated
Jul 8, 2025
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-822, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Nov 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Jul 8, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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 <10.0.17763.6532

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.6532
Microsoft · Windows Server 2025 (Server Core installation)version=10.0.26100.0 <10.0.26100.2314
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.7515
Microsoft · Windows 11, version 24H2version=10.0.26100.0 <10.0.26100.2314
Microsoft · Windows 10 Version 21H2version=10.0.19043.0 <10.0.19044.5131
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1251
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.7515
Microsoft · Windows 11 Version 22H3version=10.0.22631.0 <10.0.22631.4460
Microsoft · Windows 10 Version 22H2version=10.0.19045.0 <10.0.19045.5131
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.6532
Microsoft · Windows 11 Version 23H2version=10.0.22631.0 <10.0.22631.4460
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.4460
Microsoft · Windows 10 Version 1607version=10.0.14393.0 <10.0.14393.7515
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.2849
Microsoft · Windows Server 2025version=10.0.26100.0 <10.0.26100.2314
Microsoft · Windows 10 Version 1809version=10.0.17763.0 <10.0.17763.6532

Published CVSS scores

6.7MicrosoftCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-822Untrusted Pointer Dereference
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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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