High severity8.8NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-83759

Description

Improper control of generation of code ('code injection') in Windows Encrypting File System (EFS) allows an authorized attacker to execute code over a network.

Affected products

Microsoft/Windows Encrypting File System (EFS)llm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83759nvd

News mentions

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epss	0.000
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kev	0.000
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ransomware	0.000