CVEvulnerability

CVE-2020-17087

7.8 HIGH Known exploited Published 2020-11-11 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Kernel Privilege Escalation Vulnerability — Microsoft Windows

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

Added to KEV
2021-11-03
Remediation due
2022-05-03
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-17087
Status
Analyzed
Published
2020-11-11
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 ([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 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-131

Description

Windows Kernel Local Elevation of Privilege Vulnerability

Affected configurations

• microsoft windows 10 1507 • microsoft windows 10 1607 • microsoft windows 10 1803 • microsoft windows 10 1809 • microsoft windows 10 1903 • microsoft windows 10 1909 • microsoft windows 10 2004 • microsoft windows 10 20h2 • microsoft windows 7 • microsoft windows 8.1 • microsoft windows rt 8.1 • 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 2016 20h2 • microsoft windows server 2016 1903 • microsoft windows server 2016 1909 • microsoft windows server 2016 2004 • microsoft windows server 2019

Related

Weakness · CWE (1)

  • CWE-131 Incorrect Calculation of Buffer Size weakness

Referenced by CWE · observed example (3)

  • CWE-131 Incorrect Calculation of Buffer Size weakness
  • CWE-197 Numeric Truncation Error weakness
  • CWE-787 Out-of-bounds Write weakness

References