Home / Vulnerabilities / CVE-2021-31956
HIGH SEVERITY
CVE-2021-31956 Microsoft · Windows

Microsoft Windows NTFS Privilege Escalation Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
7.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Exploitation Likelihood

EPSS Prediction

90.72 %
Predictive Probability
Percentile Rank
99.6 th

Documented as more likely to be exploited than 99.6% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

Nov 17, 2021

CISA Catalog Active

Threat Analysis

Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence