CVE-2026-83874
HighCVSS 8.8Summary
Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code over a network.
Risk Assessment
A remote unauthenticated attacker could execute arbitrary code, potentially leading to full system compromise.
Recommendation
Apply Windows security updates and restrict access to Event Tracing services.
Other vulnerabilities in Windows Event Tracing
See all- CVE-2026-83836High
Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code locally.
- CVE-2026-83707High
Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.
- CVE-2026-70134High
Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.
- CVE-2021-34486HighActively exploited
An elevation of privilege vulnerability in Windows Event Tracing.
- CVE-2021-38630High
Elevation of privilege vulnerability in Windows Event Tracing. An attacker could exploit it to gain higher privileges on the system.
- CVE-2021-36964High
Vulnerability in Windows Event Tracing allows elevation of privilege. An attacker could exploit this flaw to gain higher privileges on the system.
- CVE-2021-26425High
Elevation of Privilege vulnerability in Windows Event Tracing. Allows an attacker to gain higher privileges.
- CVE-2021-26898High
An elevation of privilege vulnerability exists in Windows Event Tracing. The description lacks technical details, but the vulnerability could allow an attacker to gain elevated privileges on the system.
- CVE-2021-26872High
Elevation of privilege vulnerability in Windows Event Tracing.
- CVE-2021-24107Medium
Information disclosure vulnerability in Windows Event Tracing.
Original NVD description (English source)
Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS