Is CVE-2026-111677 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-111677?

CVE-2026-111677 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-111677

Description

Antiword through 0.37 contains a heap out-of-bounds read vulnerability in vGet8LstInfo in prop8.c caused by an inverted bounds check on the PlcfLst record count. Attackers can supply a crafted Word 8 .doc file claiming up to 0xffff LSTF records in a tiny buffer, causing reads past the heap allocation that crash the process.