Is CVE-2026-116736 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116736?

CVE-2026-116736 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-116736

Description

Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.