Expmon

Reported Context (5)

Haifei Li, developer of the zero-day detection system Expmon, has been credited by the tech giant for reporting the vulnerability. Microsoft Patches CVE-2026-40361, a Critical Zero-Click Outlook Flaw
Researcher Haifei Li of EXPMON discovered the issue after analyzing a sample named “yummy_adobe_exploit_uwu.pdf”. Adobe Patches Acrobat Zero-Day Exploited Through Malicious PDFs
He is the founder of Expmon, a sandbox system designed to detect file-based exploits. Adobe Patches Actively Exploited Acrobat and Reader Zero-Day CVE-2026-34621
discovered by security researcher Haifei Li (the founder of the sandbox-based exploit-detection platform EXPMON), who warned on Tuesday that the attackers are using what he described as a “highly sophisticated, Researchers Say Adobe Reader Zero-Day Has Been Exploited Since December
He is the founder and developer of Expmon, a sandbox-based system designed to detect file-based zero-days and other exploits. Adobe Reader Zero-Day May Have Been Exploited Since November, Researcher Says

CVE (3)

People (2)

MITRE ATT&CK (4)

Vendors (2)

Products (8)

Tools (1)

Industries (1)

Countries (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.