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Findings

CVE-2019-0863

Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability

Published May 16, 2019 · updated Jun 16, 2026 · microsoft windows 10 1507

An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

Timeline

Detection, updates, and resolution for this record.

  1. May 16, 2019 · Catalog

    Detected

    An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1703version unspecified
  • cpe microsoft/windows 10 1709version unspecified
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVCVE-2019-0863

    Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.

    cisa.gov
  • CVE.orgCVE-2019-0863

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2019-0863

    30-day exploitation probability 5.2%

    first.org
  • Exploit Database46917

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDCVE-2019-0863

    An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

    nvd.nist.gov
  • Packet Storm Securityacketstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References