Actively exploited in the wild
Microsoft Windows Kernel Information Disclosure Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-31955
MediumCVSS 5.5KEVSummary
Windows Kernel Information Disclosure Vulnerability.
Risk Assessment
An attacker may access sensitive information from kernel memory, potentially leading to further attacks or data leakage.
Recommendation
Apply Microsoft security updates for Windows Kernel.
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Original NVD description (English source)
Windows Kernel Information Disclosure Vulnerability