CVE Catalog
CVE-2026-56165
CriticalCVSS 9.8Exploitation Probability (EPSS)
Elevated risk0.74%
51th percentile - higher than 51% of all known CVEs
Summary
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
Risk Assessment
An attacker can remotely execute code on the victim's system, potentially leading to compromise of the Microsoft account and theft of personal data.
Recommendation
Apply the security update from Microsoft that fixes this vulnerability.
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.