SARA / Free Tools / KEV / CVE-2020-17087

CVE-2020-17087 on CISA KEV

Windows Kernel Local Elevation of Privilege Vulnerability

CISA KEV — Actively Exploited

Microsoft Windows Kernel Privilege Escalation Vulnerability

Vendor / Product
— / Microsoft / Windows
Added to KEV
2021-11-03
BOD 22-01 due
2022-05-03
Ransomware use
Unknown
CVSS / EPSS
7.8 HIGH · EPSS 17.83%

01What CISA says about this vulnerability

Windows Kernel Local Elevation of Privilege Vulnerability

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
MicrosoftWindows 10 Version 180310.0.0
MicrosoftWindows 10 Version 180910.0.0
MicrosoftWindows Server 201910.0.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.0
MicrosoftWindows 10 Version 190910.0.0
MicrosoftWindows Server, version 1909 (Server Core installation)10.0.0
MicrosoftWindows 10 Version 1903 for 32bit Systems — 10.0.0
MicrosoftWindows 10 Version 1903 for x64based Systems — 10.0.0
MicrosoftWindows 10 Version 1903 for ARM64based Systems — 10.0.0
MicrosoftWindows Server, version 1903 (Server Core installation)10.0.0
MicrosoftWindows 10 Version 200410.0.0
MicrosoftWindows Server version 200410.0.0
MicrosoftWindows 10 Version 20H210.0.0
MicrosoftWindows Server version 20H210.0.0
MicrosoftWindows 10 Version 150710.0.0
MicrosoftWindows 10 Version 160710.0.0
MicrosoftWindows Server 201610.0.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.0
MicrosoftWindows 76.1.0
MicrosoftWindows 7 Service Pack 16.1.0
MicrosoftWindows 8.16.3.0
MicrosoftWindows Server 2008 Service Pack 26.0.0
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.0
MicrosoftWindows Server 2008 Service Pack 26.0.0
MicrosoftWindows Server 2008 R2 Service Pack 16.1.0
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.0.0
MicrosoftWindows Server 20126.2.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.0
MicrosoftWindows Server 2012 R26.3.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.0

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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Programmatic KEV data?
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