November 3, 2021 · Applied Cybernetics Group
CVE-2019-0863 — Microsoft Windows
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 91.0th percentile (score 0.062, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2019-0863
CISA short description
Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.
Required action
Apply updates per vendor instructions.