Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

githubexploit · 2025-09-21

Description

Exploit and proof-of-concept for Microsoft CVE-2020-0796 SMBGhost remote overflow.

Affected software

Microsoft Windows 10 1903 All versions

Microsoft Windows 10 1909 All versions

Microsoft Windows Server 1903 All versions

Microsoft Windows Server 1909 All versions

All known vulnerabilities by product

Server Message Block Windows Windows 10 Windows Server

CVSS 10.0 for CVE-2020-0796

10.0

HIGH SEVERITY

Version 3.1

VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector:NETWORK

Attack Complexity:LOW

Privileges Required:NONE

User Interaction:NONE

Scope:CHANGED

Confidentiality:HIGH

Integrity:HIGH

Availability:HIGH

Working code

100%confidence this exploit runs

Based on 2 file(s) in the source

EPSS Score

99.8%higher than 100.0% of all CVEs

Updated 2026-06-16

Exploit Details

Modified:2025-09-21 18:57

Last Seen:2025-09-21 19:20

Reporter:Jagadeesh7532

Written in:Python

Last commit:2025-09-21

Tags

CVE-2020-0796smbghostremote overflowmemory bufferproof of concept

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Exploit Code

README10 lines

## https://sploitus.com/exploit?id=DC19878E-E772-5ACA-99B7-71C193F045A1
# CVE-2020-0796 Remote overflow POC

POC to check for CVE-2020-0796 / "SMBGhost"  

# Usage

Make sure Python is installed, then run `cve-2020-0796.py`.

![demo](demo.gif)