CVE-2021-31955 is a medium severity vulnerability with a CVSS score of 5.5. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Microsoft Windows Kernel contains an unspecified vulnerability that allows for information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.
| Vendor | Product |
|---|---|
| Microsoft | Windows Server 2004 |
| Microsoft | Windows 10 20h2 |
| Microsoft | Windows Server 2019 |
| Microsoft | Windows 10 1809 |
| Microsoft | Windows Server 20h2 |
| Microsoft | Windows 10 2004 |
| Microsoft | Windows 10 21h1 |
| Microsoft | Windows 10 1909 |
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