Published May 20, 2023Sources checked Oct 29, 2026
7.8HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2023-32700 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: Oct 21, 2026
Release Notes
Vendor-listed releases
11:11:20230311-95.azl4.2
CISA KEVNot listedBased on the latest collected catalog
EPSS0.8%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2023-32700?
LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source. This occurs because luatex-core.lua lets the original io.popen be accessed.
This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.