CVE-2026-83840

Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

A heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Double free in Windows Error Reporting allows an authorized attacker to execute code locally.

Untrusted pointer dereference in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to execute code locally.

Time-of-check time-of-use (TOCTOU) race condition in Windows Error Reporting allows an authorized attacker to elevate privileges locally. The flaw stems from a race condition during resource checking and use.

Missing authentication for a critical function in Windows Error Reporting allows an authorized attacker to perform tampering locally.

Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Use of uninitialized resource in Windows Error Reporting allows an authorized attacker to elevate privileges locally.