CVE-2019-0863
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles...
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
- Record
CVE-2019-0863- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
- Record
CVE-2019-0863- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2019-1612
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
- Record
EUVD-2019-1612- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2v97-h8v8-m3px
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles...
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
- Record
GHSA-2v97-h8v8-m3px- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CISA KEV No score
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.
- Record
CVE-2019-0863- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows server
- microsoft windows server, version 1903 (server core installation)
- microsoft windows 10 1507
- microsoft windows 10 1607
- microsoft windows 10 1703
- microsoft windows 10 1709
- microsoft windows 10 1803
- microsoft windows 10 1809
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows (x86/x64) - 'Error Reporting' Discretionary Access Control List / Local Privilege Escalation | 2019-05-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-0863 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published May 16, 2019. CISA lists it as known to be exploited, since November 3, 2021. EUVD reports exploitation since November 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.21%, the 92nd percentile. No source names a fixed version.
References
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863
packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0863
nvd.nist.gov/vuln/detail/CVE-2019-0863
github.com/advisories/GHSA-2v97-h8v8-m3px