A security feature bypass vulnerability exists when Windows Defender Firewall incorrectly applies firewall profiles to cellular network…

Description

A security feature bypass vulnerability exists when Windows Defender Firewall incorrectly applies firewall profiles to cellular network connections, aka 'Windows Defender Firewall Security Feature Bypass Vulnerability'.

Scores

EPSS (exploitation in 30 days)

4.3% · top 8.8% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• Security Feature Bypass

Affected products

• Microsoft · Windows

  • affected 10 Version 1709 for 32-bit Systems
  • affected 10 Version 1709 for x64-based Systems
  • affected 10 Version 1803 for 32-bit Systems
  • affected 10 Version 1803 for x64-based Systems
  • affected 10 Version 1803 for ARM64-based Systems
  • affected 10 Version 1809 for 32-bit Systems
  • affected 10 Version 1809 for x64-based Systems
  • affected 10 Version 1809 for ARM64-based Systems
  • affected 10 Version 1709 for ARM64-based Systems

• Microsoft · Windows Server

  • affected version 1709 (Core Installation)
  • affected version 1803 (Core Installation)
  • affected 2019
  • affected 2019 (Core installation)

References (2)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0637 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 106879 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-0637](https://trackcve.app/badge/CVE-2019-0637.svg)](https://trackcve.app/cve/CVE-2019-0637)

Record last updated 4 Aug 2024, 17:51 UTC.