CVE-2017-0145VulnerabilityPublished 02/10/2022Updated 10/24/2026
CVE-2017-0145: Microsoft SMBv1 Remote Code Execution Vulnerability
Affects Microsoft SMBv1Source CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 02/10/2022
- KEV deadline
- 08/10/2022
- Ransomware
- Used in ransomware campaigns
- EPSS
- 89.8% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
CVE-2017-0145 is a remote code execution vulnerability in the SMBv1 server component of multiple Microsoft Windows versions. It allows remote attackers to execute arbitrary code by sending specially crafted packets. This vulnerability has been exploited in the wild and is known to have been used in ransomware campaigns. It is considered a high severity threat due to its potential impact on affected systems.