Vulnerability Details : CVE-2023-21771

Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Published 2023-01-10 22:15:19
Updated 2024-05-29 03:15:31
Source Microsoft Corporation
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Exploit prediction scoring system (EPSS) score for CVE-2023-21771

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 9 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-21771

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.0
 HIGH CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1.0
5.9
 Microsoft Corporation

CWE ids for CVE-2023-21771

  • The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
    Assigned by: nvd@nist.gov (Primary)
  • The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause the memory to be written to swap files on disk by the virtual memory manager. This can make the data more accessible to external actors.
    Assigned by: secure@microsoft.com (Secondary)

References for CVE-2023-21771

Products affected by CVE-2023-21771

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