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Vulnerability Details : CVE-2021-31956

Windows NTFS Elevation of Privilege Vulnerability
Vulnerability category: Gain privilege
Published 2021-06-08 23:15:09
Updated 2023-08-01 23:15:14
Source Microsoft Corporation
View at NVD,   CVE.org
CVE-2021-31956 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Windows NTFS Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
Added on 2021-11-03 Action due date 2021-11-17

Exploit prediction scoring system (EPSS) score for CVE-2021-31956

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 8 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-31956

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
9.3
 HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
 [email protected]
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
 [email protected]
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 [email protected]

References for CVE-2021-31956

Products affected by CVE-2021-31956

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