Palo Alto Networks Researcher Discovers Critical IE Vulnerability
Summary: Palo Alto Networks researcher Hui Gao was credited with discovering a critical Microsoft vulnerability affecting Internet Explorer versions 9, 10 and 11, documented in Microsoft Security Bulletin MS16-023 in the March 2016 security bulletin. The disclosure went to Microsoft through the Microsoft Active Protections Program, and Palo Alto Networks states it has found more than 80 critical Microsoft vulnerabilities over the past 20 months.
What you should know: A single researcher's find landed in a bulletin covering IE 9, 10 and 11, browsers still widely deployed in enterprises at the time - and it was one of more than 80 critical Microsoft vulnerabilities the firm reported in 20 months, a reminder of how steady the patch stream is against the attackers who weaponize these flaws.
Read the original at Unit 42 Palo Alto Networks ↗
- Topics
- Vulnerabilities & Patching
- Related
- Attackers Exploit UnrealIRCd Flaw That Enables Server-Level Command Injection Cyber Risks · Nov 14, 2026U.S. CISA adds Check Point and UnrealIRCd flaws to its Known Exploited Vulnerabilities catalog Cyber Risks · Nov 14, 2026PostgreSQL Patches 52 Flaws, Including 22-Year-Old Bug Enabling Authenticated RCE Cyber Risks · Nov 13, 2026