Medium severity4.7NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-83897

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

Affected products

Microsoft/Windows Win32 Kernel Subsystemllm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83897nvd

News mentions

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ransomware	0.000