CVE-2017-0143
Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability
Microsoft · Windows
Vulnerability details
Microsoft Windows Server Message Block 1.0 (SMBv1) contains an unspecified vulnerability that allows for remote code execution.
Added to CISA KEV: 2021-11-03
Ransomware campaign use: Known
CISA due date: 2022-05-03
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC