Actively exploited in the wild
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2019-0863
HighCVSS 7.8KEVSummary
An elevation of privilege vulnerability in Windows Error Reporting (WER), due to improper file handling. A local attacker could exploit this to gain elevated privileges.
Risk Assessment
An attacker with local access could gain higher privileges, potentially leading to full system compromise.
Recommendation
Apply Windows security updates to fix this vulnerability.
Other vulnerabilities in Windows Error Reporting
See all- CVE-2026-20817High
Improper handling of insufficient permissions in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-83996High
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-69896High
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-69684Medium
Generation of error message containing sensitive information in Windows Error Reporting allows an authorized attacker to disclose information locally.
- CVE-2026-69612High
Absolute path traversal in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-69513High
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-69482High
Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.
- CVE-2026-69462High
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network.
- CVE-2026-69450High
Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-69436High
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.