Is CVE-2026-120740 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-120740?

CVE-2026-120740 has a CVSS v3 severity of LOW (2).

Back

CVE-2026-120740

Description

A flaw was found in hivex. By supplying a specially crafted Windows registry hive file, an attacker can trigger an out-of-bounds memory read when hivex parses registry values containing malformed large data block lists. This issue can cause the application processing the registry file to crash, resulting in a Denial of Service (DoS).