CVE-2020-17087
Detail
Description
Windows Kernel Local Elevation of Privilege Vulnerability
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
CNA: Microsoft Corporation
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
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This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference
CISA's BOD 22-01 and Known
Exploited Vulnerabilities Catalog for further guidance and requirements.
Vulnerability Name
Date Added
Due Date
Required Action
Microsoft Windows Kernel Privilege Escalation Vulnerability
11/03/2021
05/03/2022
Apply updates per vendor instructions.
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-131
Incorrect Calculation of Buffer Size
NIST
CISA-ADP
Change History
14 change records found show changes
Modified Analysis by NIST 10/29/2025 10:24:55 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2008:r2:sp2:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
Record truncated, showing 2048 of 2250 characters.
View Entire Change Record
OR
*cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2008:r2:sp2:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
*cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
*cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*
*cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*
*cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
*cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*
*cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:*
*cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*
*cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
*cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*
*cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:*
*cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:
Added
Reference Type
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087 Types: US Government Resource
CVE Modified by CISA-ADP 10/21/2025 8:17:00 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087
CVE Modified by CISA-ADP 10/21/2025 4:17:50 PM
Action
Type
Old Value
New Value
Removed
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087
CVE Modified by CISA-ADP 10/21/2025 3:18:22 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087
Modified Analysis by NIST 2/11/2025 11:58:11 AM
Action
Type
Old Value
New Value
CVE Modified by CISA-ADP 2/04/2025 3:15:36 PM
Action
Type
Old Value
New Value
Added
CWE
CWE-131
CVE Modified by CVE 11/21/2024 12:07:47 AM
Action
Type
Old Value
New Value
Added
Reference
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087
CVE Modified by Microsoft Corporation 5/14/2024 2:34:25 AM
Action
Type
Old Value
New Value
Modified Analysis by NIST 2/15/2024 4:27:14 PM
Action
Type
Old Value
New Value
Added
CWE
NIST CWE-131
Removed
CWE
NIST CWE-681
CVE Modified by Microsoft Corporation 12/31/2023 2:15:29 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
Microsoft Corporation AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE Remap by NIST 7/12/2022 1:42:04 PM
Action
Type
Old Value
New Value
Changed
CWE
NVD-CWE-noinfo
CWE-681
CWE Remap by NIST 7/21/2021 7:39:23 AM
Action
Type
Old Value
New Value
Changed
CWE
CWE-269
NVD-CWE-noinfo
Initial Analysis by NIST 11/16/2020 12:35:03 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added
CWE
NIST CWE-269
Added
CPE Configuration
OR
*cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2008:r2:sp2:*:*:*:*:x64:*
*cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Changed
Reference Type
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087 No Types Assigned
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087 Patch, Vendor Advisory
CVE Modified by Microsoft Corporation 11/12/2020 3:15:24 PM
Action
Type
Old Value
New Value
Changed
Description
, aka 'Windows Kernel Local Elevation of Privilege Vulnerability'.
Windows Kernel Local Elevation of Privilege Vulnerability
Quick Info
CVE Dictionary Entry: CVE-2020-17087 NVD
Published Date: 11/11/2020 NVD
Last Modified: 10/29/2025
Source: Microsoft Corporation