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1-Day Vulnerability Breakdowns
Welcome to the 1-Day Breakdown series â a curated collection of publicly disclosed CVEs, distilled into short and digestible posts that take less than 5â10 minutes to read.
Each post offers:
- A clear breakdown of the vulnerability
- Key technical insights
- Proof-of-Concept (PoC) code (where available)
- Focus on ease of understanding for researchers, pentesters, and reverse engineers.
đ Full list available at đ labs.pwnfuzz.com/1day-breakdowns
đ CVE Breakdown Table
| CVE ID | Component | Vuln Type | Summary | Link |
|---|---|---|---|---|
| CVE-2024-21338 | appid.sys | Untrusted Pointer Dereference | Windows Kernel Elevation of Privilege Vulnerability | View |
| CVE-2024-38041 | appid.sys | Exposure of Sensitive Information to an Unauthorized Actor | Windows Kernel Information Disclosure Vulnerability | View |
| CVE-2025-21333 | vkrnlintvsp.sys | Heap-based Buffer Overflow | Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability | View |
âšī¸ More CVEs and PoCs are added frequently. Follow @pwnfuzz or visit the labs homepage to stay updated.
đĄ About This Series
The 1-Day Breakdown series is designed for:
- Security researchers looking to quickly understand public vulnerabilities
- Reverse engineers learning from real-world kernel bugs
- Red teamers or exploit devs studying PoCs
Each post is written to be practical, concise, and technically sound â with no filler.
â Final Notes
The goal of 1-Day Breakdowns is to make vulnerability research more approachable â especially for those who want to understand the essence of a bug quickly without digging through dense advisories or patch diffs.
Whether you're into exploitation, reverse engineering, or just staying sharp on real-world vulnerabilities, this series is for you.