CVE-2020-1013: Microsoft Windows 10

High severity, CVSS 7.5. EPSS: 6.4% chance of exploitation in the next 30 days.

<p>An elevation of privilege vulnerability exists when Microsoft Windows processes group policy updates. An attacker who successfully exploited this vulnerability could potentially escalate permissions or perform additional privileged actions on the target machine.</p> <p>To exploit this vulnerability, an attacker would need to launch a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target machine. An attacker could then create a group policy to grant administrator rights to a standard user.</p> <p>The security update addresses the vulnerability by enforcing Kerberos authentication for certain calls over LDAP.</p>

Affected products

  • Microsoft Windows 10: affected versions not specified; version 1607 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only; …
  • Microsoft Windows 7: affected versions not specified
  • Microsoft Windows 8.1: affected versions not specified
  • Microsoft Windows Rt 8.1: affected versions not specified
  • Microsoft Windows Server 2008: affected versions not specified; version r2 only
  • Microsoft Windows Server 2012: affected versions not specified; version r2 only
  • Microsoft Windows Server 2016: affected versions not specified; version 1903 only; version 1909 only; version 2004 only
  • Microsoft Windows Server 2019: affected versions not specified

Published 2020-09-11. Last modified 2026-06-17.