Junglewise Threat Intelligence

CVE-2021-36948: Microsoft Windows Update Medic Service Privilege Escalation Vulnerability

CVE-2021-36948 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

Technologies: Microsoft Windows, Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019. Vendors: Microsoft.

Executive brief

The Microsoft Windows Update Medic Service contains an elevation of privilege vulnerability. An attacker who successfully exploits this vulnerability could gain SYSTEM privileges on the affected system.

Affected products

  • Microsoft Windows 10 1809, 1909, 2004, 20H2, 21H1
  • Microsoft Windows Server 2019 -
  • Microsoft Windows Server 2016 2004, 20H2

Timeline

  • 2021-08-12: disclosed: NVD Published Date
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-17: patched: Due date for remediation per CISA BOD 22-01

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