Published May 17, 2023Sources checked Oct 29, 2026
7.8HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2023-31724 and is rated High severity with a CVSS score of 7.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Sep 28, 2026
Release Notes
CISA KEVNot listedBased on the latest collected catalog
EPSS0.3%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2023-31724?
yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function do_directive at /nasm/nasm-pp.c.