High severity7.5NVD Advisory· Published Jun 9, 2020· Updated Jun 17, 2026
CVE-2020-1206
CVE-2020-1206
Description
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14- 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 10 Version 2004 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 2004 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 2004 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
- Microsoft/Windows Server, version 2004 (Server Core installation)v5Range: unspecified
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206nvdPatchVendor Advisory
- packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-Read-Proof-Of-Concept.htmlnvdTechnical Description
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