CVEvulnerability

CVE-2020-1027

7.8 HIGH Known exploited Published 2020-04-15 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Kernel Privilege Escalation Vulnerability — Microsoft Windows

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.

Added to KEV: 2022-05-23
Remediation due: 2022-06-13
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2020-1027

Status: Analyzed
Published: 2020-04-15
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses: CWE-787

Description

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0913, CVE-2020-1000, CVE-2020-1003.

Affected configurations

• microsoft windows 10 1507 • microsoft windows 10 1607 • microsoft windows 10 1709 • microsoft windows 10 1803 • microsoft windows 10 1809 • microsoft windows 10 1903 • microsoft windows 10 1909 • microsoft windows 7 • microsoft windows 8.1 • microsoft windows rt 8.1 • microsoft windows server 1803 • microsoft windows server 1903 • microsoft windows server 1909 • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 • microsoft windows server 2019

Weakness · CWE (1)

CWE-787 Out-of-bounds Write weakness

References