CVE DATABASE / CVE-2020-0986

CVE-2020-0986

Microsoft Windows Kernel Privilege Escalation Vulnerability

CVSS 7.8 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED

On the CISA KEV catalog

Confirmed exploited in the wild. Added 2021-11-03. Federal remediation due 2022-05-03.
Required action: Apply updates per vendor instructions.

Summary

An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1237, CVE-2020-1246, CVE-2020-1262, CVE-2020-1264, CVE-2020-1266, CVE-2020-1269, CVE-2020-1273, CVE-2020-1274, CVE-2020-1275, CVE-2020-1276, CVE-2020-1307, CVE-2020-1316.

CVSS 3.1 breakdown

Base score	7.8 (HIGH)
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector	LOCAL
Attack complexity	LOW
Privileges required	LOW
User interaction	NONE
Scope	UNCHANGED
Confidentiality	HIGH
Integrity	HIGH
Availability	HIGH

Weakness type (CWE)

CWE-787

Affected products

Microsoft windows 10 1507Microsoft windows 10 1607Microsoft windows 10 1709Microsoft windows 10 1803Microsoft windows 10 1809Microsoft windows 10 1903Microsoft windows 10 1909Microsoft windows 10 2004Microsoft windows 8.1Microsoft windows rt 8.1Microsoft windows server 1803Microsoft windows server 1903Microsoft windows server 1909Microsoft windows server 2004Microsoft windows server 2012Microsoft windows server 2016Microsoft windows server 2019

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References

Data: NIST NVD + CISA KEV. NVD last modified 2025-10-29. Always verify against the vendor advisory before acting.