KEV Intelligence

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2024-38178

Scripting Engine Memory Corruption Vulnerability

Microsoft / Windows 11 Version 24H2 · affected before 10.0.26100.1457

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Severity
CVSS 7.5 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
41.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-38178 is an unauthenticated Scripting Engine Memory Corruption Vulnerability affecting Microsoft Windows 11 Version 24H2 and 18 other products.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Windows 11 Version 24H2 affected before 10.0.26100.1457.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Scripting Engine Memory Corruption Vulnerability

Scripting Engine Memory Corruption Vulnerability

Vendor Product Affected Status
Microsoft Windows 11 Version 24H2 Before 10.0.26100.1457 Affected
Microsoft Windows 10 Version 1809 Before 10.0.17763.6189 Affected
Microsoft Windows Server 2019 Before 10.0.17763.6189 Affected
Microsoft Windows Server 2019 (Server Core installation) Before 10.0.17763.6189 Affected
Microsoft Windows Server 2022 Before 10.0.20348.2655 Affected
Microsoft Windows 11 version 21H2 Before 10.0.22000.3147 Affected
Microsoft Windows 10 Version 21H2 Before 10.0.19044.4780 Affected
Microsoft Windows 11 version 22H2 Before 10.0.22621.4037 Affected
Microsoft Windows 10 Version 22H2 Before 10.0.19045.4780 Affected
Microsoft Windows 11 version 22H3 Before 10.0.22631.4037 Affected
Microsoft Windows 11 Version 23H2 Before 10.0.22631.4037 Affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Before 10.0.25398.1085 Affected
Microsoft Windows 10 Version 1507 Before 10.0.10240.20751 Affected
Microsoft Windows 10 Version 1607 Before 10.0.14393.7259 Affected
Microsoft Windows Server 2016 Before 10.0.14393.7259 Affected
Microsoft Windows Server 2016 (Server Core installation) Before 10.0.14393.7259 Affected
Microsoft Windows Server 2012 R2 Before 6.3.9600.22134 Affected
Microsoft Windows Server 2012 R2 (Server Core installation) Before 6.3.9600.22134 Affected
View vendor advisory (opens in new tab)
Published
13 Aug 2024
Exploitation Reported
13 Aug 2024
Attack vector
Remote
Complexity
High
Privileges
None
User interaction
Required

Tags

windows cisa microsoft nessus_scanner

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 13 Aug 2024

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CISA First 2024-08-13 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/205461 02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

EPSS

41.4%

Weaknesses

Access of Resource Using Incompatible Type ('Type Confusion') CWE-843

Recent mention · Google Threat Intelligence

Written by: Casey Charrier, James Sadowski, Clement Lecigne, Vlad Stolyarov Executive Summary Google Threat Intelligence Group (GTIG) tracked 75...

Written by: Casey Charrier, James Sadowski, Clement Lecigne, Vlad Stolyarov Executive Summary Google Threat Intelligence Group (GTIG) tracked 75 zero-day vulnerabilities exploited in the wild in 2024, a decrease from the number we identified in 2023 (98 vulnerabilities), but...

Read full advisory

Timeline

From disclosure to observed exploitation

  1. Nessus plugin available

    Scanner coverage available

  2. CVE published

    Vulnerability disclosed publicly

  3. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  4. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-38178

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2024-38178",
  "confidence": "Confirmed",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.4138,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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