CVE-2024-38148Network attack vector

Remote service interruption via out-of-bounds read

Published Aug 13, 2024 · Updated Jul 10, 2025

An out-of-bounds read in Windows Secure Channel allows remote attackers to interrupt service through crafted network traffic. Microsoft identifies CWE-125 but has not disclosed the affected Secure Channel function, parsed field, or exact read operation. No authentication or user interaction is required, and the documented consequence is availability loss without confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability31.81%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An out-of-bounds read in Windows Secure Channel allows remote attackers to interrupt service through crafted network traffic. Microsoft identifies CWE-125 but has not disclosed the affected Secure Channel function, parsed field, or exact read operation. No authentication or user interaction is required, and the documented consequence is availability loss without confidentiality or integrity impact.

The record

CVE
CVE-2024-38148
Published
Aug 13, 2024
Updated
Jul 10, 2025
Vendor
Microsoft
Product
Windows 11, version 24H2
Classifications
CWE-125, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Jul 10, 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=10.0.26100.0 <10.0.26100.1457

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Windows 11, version 24H2version=10.0.26100.0 <10.0.26100.1457
Microsoft · Windows 11 version 21H2version=10.0.0 <10.0.22000.3147
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1085
Microsoft · Windows 11 Version 22H3version=10.0.22631.0 <10.0.22631.4037
Microsoft · Windows 11 Version 23H2version=10.0.22631.0 <10.0.22631.4037
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.4037
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.2655

Published CVSS scores

7.5Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1499.004Application or System Exploitation

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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