Junglewise Threat Intelligence

CVE-2023-36874: Microsoft Windows Error Reporting Service Privilege Escalation Vulnerability

CVE-2023-36874 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2023-07-11

Technologies: Microsoft Windows Server 2008, Microsoft Windows Server 2019, Microsoft Windows, Microsoft Windows Server 2022, Microsoft Windows Server 2016, Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server 2012. Vendors: Microsoft.

Executive brief

The Microsoft Windows Error Reporting Service contains an elevation of privilege vulnerability. An attacker who successfully exploits this vulnerability could gain administrator privileges, provided they already have local access to the target machine. The flaw is reportedly related to improper link resolution before file access.

Affected products

  • Microsoft Windows 10 up to (excluding) 10.0.10240.20048
  • Microsoft Windows 11 up to (excluding) 10.0.22621.1992
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 up to (excluding) 10.0.14393.6085
  • Microsoft Windows Server 2019 up to (excluding) 10.0.17763.4645
  • Microsoft Windows Server 2022 up to (excluding) 10.0.20348.1850

Timeline

  • 2023-07-11: disclosed
  • 2023-07-11: patched
  • 2023-07-11: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-07-11: exploited

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