CVE-2026-83851

Summary

A heap-based buffer overflow in Windows Partition Management Driver allows remote attackers to elevate privileges by sending specially crafted network requests. This vulnerability can be exploited without authentication and affects systems running affected versions of Windows.

Exploitability

Exploitation is moderately difficult as it requires a remote attacker to send specific network packets to trigger the buffer overflow, but no user interaction is needed once the vulnerable driver is accessed.

Blast radius

The vulnerability could impact a wide range of Windows systems that have the partition management driver enabled, potentially allowing attackers to gain full system privileges across multiple endpoints.

Detection

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

Prioritized remediation

Apply the latest Windows updates from Microsoft's Security Response Center that include fixes for this heap-based buffer overflow in the Partition Management Driver.

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