CVE-2024-43645: Windows Defender Application Control (WDAC) Security Feature Bypass Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-12 · updated 2026-06-17
Weakness: CWE-693

Description

Windows Defender Application Control (WDAC) Security Feature Bypass Vulnerability

Affected products

Microsoft Windows 10 Version 1507: before 10.0.10240.20826 — fixed in 10.0.10240.20826
Microsoft Windows 10 1607: before 10.0.14393.7515 — fixed in 10.0.14393.7515
Microsoft Windows 10: before 10.0.17763.6532 — fixed in 10.0.17763.6532
Microsoft Windows Server 2016: before 10.0.14393.7515 — fixed in 10.0.14393.7515
Microsoft Windows Server 2019: before 10.0.17763.6532 — fixed in 10.0.17763.6532
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.20826 — fixed in 10.0.10240.20826
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.7515 — fixed in 10.0.14393.7515
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.6532 — fixed in 10.0.17763.6532
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.7515 — fixed in 10.0.14393.7515
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.6532 — fixed in 10.0.17763.6532

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.20826; Microsoft Windows 10 1607 10.0.14393.7515; Microsoft Windows 10 10.0.17763.6532; Microsoft Windows Server 2016 10.0.14393.7515; Microsoft Windows Server 2019 10.0.17763.6532; Microsoft Windows 10 Version 1507 10.0.10240.20826; Microsoft Windows 10 1607 10.0.14393.7515; Microsoft Windows 10 10.0.17763.6532; Microsoft Windows Server 2016 10.0.14393.7515; Microsoft Windows Server 2019 10.0.17763.6532. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43645

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