CVE-2020-0986highunder attackCWE-787

CVE-2020-0986: high-severity vulnerability in Microsoft Windows

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76Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 7.8epss 16%
from disclosure to weapon
Published on NVDJun 9
CISA KEV+512d
Action required by CISAfederal deadline: 2022-05-03

Apply updates per vendor instructions.

In short

A flaw in Windows kernel memory handling allows an attacker with local access to gain higher privileges on the system. This means someone already on your computer could potentially take control of it.

Technical detail

Out-of-bounds write vulnerability (CWE-787) in Windows kernel object handling exploitable via local code execution with user-level privileges; successful exploitation leads to SYSTEM-level privilege escalation. Requires prior local code execution capability.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Microsoft · WindowsMicrosoft · Windows 10 Version 1903 for 32-bit SystemsMicrosoft · Windows 10 Version 1903 for ARM64-based SystemsMicrosoft · Windows 10 Version 1903 for x64-based SystemsMicrosoft · Windows 10 Version 1909 for 32-bit SystemsMicrosoft · Windows 10 Version 1909 for ARM64-based SystemsMicrosoft · Windows 10 Version 1909 for x64-based SystemsMicrosoft · Windows 10 Version 2004 for 32-bit SystemsMicrosoft · Windows 10 Version 2004 for ARM64-based SystemsMicrosoft · Windows 10 Version 2004 for x64-based SystemsMicrosoft · Windows ServerMicrosoft · Windows Server, version 1903 (Server Core installation)Microsoft · Windows Server, version 1909 (Server Core installation)Microsoft · Windows Server, version 2004 (Server Core installation)
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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