CVE-2026-85928

Summary

A heap-based buffer overflow in the Windows Volume Manager Extension Driver allows remote attackers to execute arbitrary code with high privileges. This vulnerability affects systems running Windows and can be exploited over a network without authentication.

Exploitability

Exploitation is relatively straightforward as it requires no authentication or user interaction, though it may need a specific network configuration to trigger the vulnerable driver component.

Blast radius

The impact could be severe across enterprise environments as the vulnerability allows for remote code execution with system-level privileges, potentially leading to full system compromise and lateral movement.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Apply the Windows Update KB5059287 or later patch immediately to address this heap buffer overflow vulnerability in the Volume Manager Extension Driver.

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.