CVE-2020-0986: Microsoft Windows Kernel Privilege Escalation Vulnerability

CVE-2020-0986 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

An elevation of privilege vulnerability exists in the Microsoft Windows kernel due to improper handling of objects in memory. A local attacker can exploit this to execute code in kernel mode and gain elevated privileges on the system.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2020-0986 exploited in the wild?
Yes. CVE-2020-0986 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-0986?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Windows 10; Microsoft Windows 8.1; Microsoft Windows RT 8.1; Microsoft Windows Server 2012; and 6 more.
Is there a fix for CVE-2020-0986?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2020-0986 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2020-0986?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 10
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 1803
  • Microsoft Windows Server 1903
  • Microsoft Windows Server 1909
  • Microsoft Windows Server 2004

Timeline

  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: disclosed

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