CVE-2024-6769Public exploit

Privilege escalation via activation-cache DLL hijacking

Published Sep 26, 2024 · Updated Aug 29, 2025

DLL hijacking in Microsoft Windows 10, Windows 11, and Windows Server 2016, 2019, and 2022 allows local users to gain high integrity. Root-drive remapping makes high-integrity CTFMON load a crafted MsCtfMonitor.dll, whose direct ALPC request poisons the CSRSS activation cache so TCMSETUP loads attacker-controlled tapi32.dll. The user must belong to the Administrators group and control a medium-integrity process; the chain bypasses the UAC prompt and reaches full Administrator privileges.

CVSS severity8.4
High
EPSS probability1.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DLL hijacking in Microsoft Windows 10, Windows 11, and Windows Server 2016, 2019, and 2022 allows local users to gain high integrity. Root-drive remapping makes high-integrity CTFMON load a crafted MsCtfMonitor.dll, whose direct ALPC request poisons the CSRSS activation cache so TCMSETUP loads attacker-controlled tapi32.dll. The user must belong to the Administrators group and control a medium-integrity process; the chain bypasses the UAC prompt and reaches full Administrator privileges.

The record

CVE
CVE-2024-6769
Published
Sep 26, 2024
Updated
Aug 29, 2025
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-426, CWE-427, T1548.002, T1574.001
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 26, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 2025Record 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=10.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Microsoft · Windows Server 2019version=10.0.0
Microsoft · Windows 11version=10.0.0
Microsoft · Windows Server 2016version=10.0.0
Microsoft · Windows Server 2022version=10.0.0
Microsoft · Windows 10version=10.0.0

Published CVSS scores

8.4FortraCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
6.7FortraCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-426Untrusted Search Path
CWE-427Uncontrolled Search Path Element
T1548.002Bypass User Account Control
T1574.001DLL Search Order Hijacking

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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