CVE-2019-0863
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
CVSS
—
No CVSS
EPSS
5.2%
p92
KEV
YES
Nov 3, 2021
Exploit Today
77
0-100
Published: — · Last modified: —
5.2%EPSS · 30 days5.2%
2026-06-302026-07-17
Product
Microsoft / Windows
Vulnerability
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
May 3, 2022
Known ransomware use
No
Summary 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.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-0863
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2025-59287—100.0%
KEV—80Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability—CVE-2021-34527—100.0%
KEV—80Microsoft Windows Print Spooler Remote Code Execution Vulnerability—CVE-2023-36884—99.9%
KEV—80Microsoft Windows Search Remote Code Execution Vulnerability—CVE-2022-30190—99.9%
KEV—80Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability—CVE-2008-4250—99.9%
KEV—80Microsoft Windows Buffer Overflow Vulnerability—CVE-2024-21412—99.9%
KEV—80Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability—