CVE-2019-0547 — A memory corruption vulnerability exists in the Windows DHCP client when an atta

A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client, aka "Windows DHCP Client Remote Code Execution Vulnerability." This affects Windows 10, Windows 10 Servers.

01What is this vulnerability?

A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client, aka "Windows DHCP Client Remote Code Execution Vulnerability." This affects Windows 10, Windows 10 Servers.

02Affected products

Vendor	Product	Versions
Microsoft	Windows 10	Version 1803 for 32-bit Systems, Version 1803 for ARM64-based Systems, Version 1803 for x64-based Systems
Microsoft	Windows 10 Servers	version 1803 (Server Core Installation)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-01-08T21:00:00.000Z
• Last modified: 2024-08-04T17:51:26.839Z

09References

• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0547
• www.securityfocus.com — http://www.securityfocus.com/bid/106394