CVE-2025-55694
HighCVSS 7.8Exploitation Probability (EPSS)
High risk87th percentile - higher than 87% of all known CVEs
Summary
Improper access control in Windows Error Reporting allows an authorized attacker to elevate privileges locally. The flaw enables privilege escalation on Windows systems.
Risk Assessment
An attacker with limited privileges on a machine can gain higher privileges, potentially leading to system takeover and further lateral movement.
Recommendation
Apply the Microsoft Windows security updates that address this vulnerability.
Other vulnerabilities in Windows Error Reporting
See all- CVE-2026-97815Critical
Windows Error Reporting is affected by a heap-based buffer overflow vulnerability. This allows an unauthorized attacker to execute code over a network.
- CVE-2026-83748Critical
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-83693Critical
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-83519Critical
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-20817High
Improper handling of insufficient permissions in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2019-0863HighActively exploited
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.
- CVE-2026-97798High
Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-85800High
A heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-85354High
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-83916High
Double free in Windows Error Reporting allows an authorized attacker to execute code locally.
Original NVD description (English source)
Improper access control in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS