Home / Vulnerabilities / CVE-2019-1458
HIGH SEVERITY Ransomware Linked
CVE-2019-1458 Microsoft · 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:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

92.20 %
Predictive Probability
Percentile Rank
99.7 th

Documented as more likely to be exploited than 99.7% of known CVEs.

Detection Date

Jan 10, 2022

Remediation Due

Jul 10, 2022

CISA Catalog Active

Threat Analysis

A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2019-1458