# CVE-2017-0148: Microsoft SMBv1 Server Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2017-0148-microsoft-smbv1-server-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-04-06. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-0148 · Severity: critical · CVSS 8.1 · Exploited in the wild · Published 2022-04-06

The SMBv1 server in multiple Microsoft Windows operating systems allows remote attackers to execute arbitrary code via specially crafted packets. This vulnerability is distinct from other 2017 SMB vulnerabilities and has been observed being exploited in the wild.

Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2017-0148 exploited in the wild?** Yes. CVE-2017-0148 is known to be exploited in the wild, first recorded on 6 April 2022. Treat it as urgent.

**How severe is CVE-2017-0148?** Critical severity, with a CVSS score of 8.1, published 6 April 2022.

**Which products and versions are affected?** Microsoft Windows 10 Gold, 1511, 1607; Microsoft Windows 7 SP1; Microsoft Windows 8.1; Microsoft Windows RT 8.1; and 4 more.

**Is there a fix for CVE-2017-0148?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2017-0148 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2017-0148?** Check whether you run Microsoft SMBv1 Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows 10 Gold, 1511, 1607
- Microsoft Windows 7 SP1
- Microsoft Windows 8.1
- Microsoft Windows RT 8.1
- Microsoft Windows Server 2008 SP2, R2 SP1
- Microsoft Windows Server 2012 Gold, R2
- Microsoft Windows Server 2016
- Microsoft Windows Vista SP2

## Timeline

- 2017-03-14: advisory: MSRC advisory published (based on BID 96706 date)
- 2022-04-06: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [Microsoft Windows SMBv1 Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2017-0147-microsoft-windows-smbv1-information-disclosure-vulnerability)