CVE-2020-17087

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

Overview

Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.

https://nvd.nist.gov/vuln/detail/CVE-2020-17087

Key Details

PropertyValue
CVE ID CVE-2020-17087
Vendor / Product Microsoft — Windows
NVD Published2020-11-11
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-131
CISA KEV Added2021-11-03
CISA KEV Deadline2022-05-03
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: 2022-05-03. Apply updates per vendor instructions.

Timeline

DateEvent
2021-11-03Added to CISA Known Exploited Vulnerabilities catalog
2022-05-03CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2020-17087 Vulnerability Database
CISA KEV Catalog Entry US Government