Vulnerability Details : CVE-2021-31955

Windows Kernel Information Disclosure Vulnerability
Vulnerability category: Information leak
Published 2021-06-08 23:15:09
Updated 2023-08-01 23:15:14
Source Microsoft Corporation
View at NVD,   CVE.org
CVE-2021-31955 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Windows Kernel Information Disclosure Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
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.
Added on 2021-11-03 Action due date 2021-11-17

Exploit prediction scoring system (EPSS) score for CVE-2021-31955

Probability of exploitation activity in the next 30 days: 96.96%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-31955

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
2.1
 LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
 nvd@nist.gov
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
 nvd@nist.gov
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
 secure@microsoft.com

CWE ids for CVE-2021-31955

References for CVE-2021-31955

Products affected by CVE-2021-31955

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