Deniz Güney Yıldırım

Senior Vulnerability Researcher | Microsoft MSRC Leaderboard (Q1 2026)

Türkiye

About

I am a dedicated Senior Vulnerability Researcher driven by a deep technical curiosity and a relentless commitment to digital security. My approach to cybersecurity is defined by more than just finding vulnerabilities; it is about a disciplined mindset, strategic analysis, and the persistence required to solve complex logic puzzles. ​I thrive in the challenging landscape of vulnerability, where I apply a rigorous and methodical process to every investigation. For me, technical excellence is built on a foundation of daily discipline and a continuous learning curve. Whether I am analyzing large-scale enterprise systems or investigating complex authentication flows, my goal remains the same: to contribute to a more secure digital future through integrity and deep-dive research. ​Always looking to connect with professionals who value technical precision, professional ethics, and the art of security research. Microsoft Hall of fame 10 Mar 2026 GitHub: CVE-2026-26030 Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable Microsoft Hall of fame 31 Mar 2026 Online Services MSRC Q1 LEADBOARD 2026 Recognized by the Microsoft Security Response Center (MSRC) for security research contributions. Selected to attend the exclusive MSRC Researcher Celebration at Black Hat (USA) 2026 This is a list of CVE CVE 2026-26030

Experience

  • Independent Senior Vulnerability Researcher at Microsoft
    Feb 2026 - Present · 5 mos

    Microsoft Hall of fame Acknowledgents Microsoft Hall of fame 10 Mar 2026 -Deniz Güney Yıldırım GitHub: CVE-2026-26030 Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable Hall of fame 31 Mar 2026 Deniz Güney Yıldırım Online Services Microsoft 2026 Leadboard List MSRC Q1 Leadboard -2026 Recognized by the Microsoft Security Response Center (MSRC) for security research contributions. Selected to attend the exclusive MSRC Researcher Celebration at Black Hat(USA) 2026 CVE List CVE 2026-26030