Critical severity10.0CISA KEVNVD Advisory· Published Mar 12, 2020· Updated Aug 12, 2026
CVE-2020-0796
CVE-2020-0796
Description
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:x64:*
- Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1903 for x64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for x64-based Systemsv5Range: unspecified
- Microsoft/Windows Server, version 1903 (Server Core installation)v5Range: unspecified
- Microsoft/Windows Server, version 1909 (Server Core installation)v5Range: unspecified
Patches
Vulnerability mechanics
References
8- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796nvdPatchVendor Advisory
- packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.htmlnvdExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.htmlnvdExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.htmlnvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.htmlnvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Execution.htmlnvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote-Code-Execution-Proof-Of-Concept.htmlnvdThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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