Home / Vulnerabilities / CVE-2018-8453
HIGH SEVERITY Ransomware Linked
CVE-2018-8453Microsoft · Win32k

Microsoft Win32k Privilege Escalation Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

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

EPSS Prediction

80.44 %
Predictive Probability
Percentile Rank
99.1 th

Documented as more likely to be exploited than 99.1% of known CVEs.

Detection Date

Jan 21, 2022

Remediation Due

Jul 21, 2022

CISA Catalog Active

Threat Analysis

Microsoft Windows Win32k contains a vulnerability that allows an attacker to escalate privileges.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2018-8453