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NiNi

@terrynini38514 • 3,097 subscribers

Security Researcher at @d3vc0r3 / Pwn2Own Master of Pwn (Toronto 2022) / CTFer @balsnctf

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I found a vulnerability in Oracle VirtualBox (CVE-2026-21957) back in September 2025. It can be turned into AAR/AAW, and then escaping the VM is pretty easy. I originally planned to find a vulnerability for Pwn2Own, but since I found the vuln in September, sitting on a practical vuln for that long didn’t feel very ethical, so I eventually reported it to ZDI. But I still finished the exploitation + demo video as practice.
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I found a vulnerability in Oracle VirtualBox (CVE-2026-21957) back in September 2025. It can be turned into AAR/AAW, and then escaping the VM is pretty easy. I originally planned to find a vulnerability for Pwn2Own, but since I found the vuln in September, sitting on a practical vuln for that long didn’t feel very ethical, so I eventually reported it to ZDI. But I still finished the exploitation + demo video as practice.

NiNi

92,860 views • 4 months ago

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