CVE-2024-38178: Scripting Engine Memory Corruption Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: yes — in CISA KEV since 2024-08-13
EPSS: 41.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-13 · updated 2026-06-17
Weakness: CWE-843

Description

Scripting Engine Memory Corruption Vulnerability

Affected products

Microsoft Windows 10 Version 1507: before 10.0.10240.20751 — fixed in 10.0.10240.20751
Microsoft Windows 10 1607: before 10.0.14393.7259 — fixed in 10.0.14393.7259
Microsoft Windows 10: before 10.0.17763.6189 — fixed in 10.0.17763.6189
Microsoft Windows 10: before 10.0.19044.4780 — fixed in 10.0.19044.4780
Microsoft Windows 10: before 10.0.19045.4780 — fixed in 10.0.19045.4780
Microsoft Windows 11 21H2: before 10.0.22000.3147 — fixed in 10.0.22000.3147
Microsoft Windows 11: before 10.0.22621.4037 — fixed in 10.0.22621.4037
Microsoft Windows 11: before 10.0.22631.4037 — fixed in 10.0.22631.4037
Microsoft Windows 11: before 10.0.26100.1457 — fixed in 10.0.26100.1457
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: before 10.0.14393.7259 — fixed in 10.0.14393.7259
Microsoft Windows Server 2019: before 10.0.17763.6189 — fixed in 10.0.17763.6189
Microsoft Windows Server 2022: before 10.0.20348.2655 — fixed in 10.0.20348.2655
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): before 10.0.25398.1085 — fixed in 10.0.25398.1085
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.20751 — fixed in 10.0.10240.20751
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.7259 — fixed in 10.0.14393.7259
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.6189 — fixed in 10.0.17763.6189
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.4780 — fixed in 10.0.19044.4780
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.4780 — fixed in 10.0.19045.4780
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.3147 — fixed in 10.0.22000.3147
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.4037 — fixed in 10.0.22621.4037
Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22631.4037 — fixed in 10.0.22631.4037
Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.4037 — fixed in 10.0.22631.4037
Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.1457 — fixed in 10.0.26100.1457
Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.22134 — fixed in 6.3.9600.22134
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.7259 — fixed in 10.0.14393.7259
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.6189 — fixed in 10.0.17763.6189
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.2655 — fixed in 10.0.20348.2655
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): from 10.0.25398.0 before 10.0.25398.1085 — fixed in 10.0.25398.1085

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.20751; Microsoft Windows 10 1607 10.0.14393.7259; Microsoft Windows 10 10.0.17763.6189; Microsoft Windows 10 10.0.19044.4780; Microsoft Windows 10 10.0.19045.4780; Microsoft Windows 11 21H2 10.0.22000.3147; Microsoft Windows 11 10.0.22621.4037; Microsoft Windows 11 10.0.22631.4037; Microsoft Windows 11 10.0.26100.1457; Microsoft Windows Server 2016 10.0.14393.7259; Microsoft Windows Server 2019 10.0.17763.6189; Microsoft Windows Server 2022 10.0.20348.2655. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2024-38178 or the next vulnerability affects your stack