CVE-2020-1027

Microsoft Windows — Microsoft Windows Kernel Privilege Escalation Vulnerability
⚠️ CVSS 3.1  7.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.

https://nvd.nist.gov/vuln/detail/CVE-2020-1027

Key Details

PropertyValue
CVE ID CVE-2020-1027
Vendor / Product Microsoft — Windows
NVD Published2020-04-15
NVD Last Modified2025-10-29
CVSS 3.1 Score7.8
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-787
CISA KEV Added2022-05-23
CISA KEV Deadline2022-06-13
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-06-13. Apply updates per vendor instructions.

Timeline

DateEvent
2022-05-23Added to CISA Known Exploited Vulnerabilities catalog
2022-06-13CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2020-1027 Vulnerability Database
CISA KEV Catalog Entry US Government