Windows DHCP Client
CVE-2019-0736 — Windows DHCP Client Remote Code Execution Vulnerability
Executive Summary
A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client. An attacker who successfully exploited the vulnerability could run arbitrary code on the client machine. To exploit the vulnerability, an attacker could send specially crafted DHCP responses to a client. The security update addresses the vulnerability by correcting how Windows DHCP clients handle certain DHCP responses.
Overview
9.8
CVSS CRITICAL
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 8.8
EPSS Score
0.03968
probability of exploitation in the next 30 days
0.89118 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
32 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 4512497 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 for x64-based Systems | 4512497 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 4512517 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1607 for x64-based Systems | 4512517 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1703 for 32-bit Systems | 4512507 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1703 for x64-based Systems | 4512507 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1709 for 32-bit Systems | 4512516 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1709 for ARM64-based Systems | 4512516 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1709 for x64-based Systems | 4512516 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1803 for 32-bit Systems | 4512501 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1803 for ARM64-based Systems | 4512501 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1803 for x64-based Systems | 4512501 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 4512506 (Monthly Rollup) 4512486 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 4512506 (Monthly Rollup) 4512486 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows 8.1 for 32-bit systems | 4512488 (Monthly Rollup) 4512489 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows 8.1 for x64-based systems | 4512488 (Monthly Rollup) 4512489 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows RT 8.1 | 4512488 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 4512476 (Monthly Rollup) 4512491 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 4512476 (Monthly Rollup) 4512491 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | 4512476 (Monthly Rollup) 4512491 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 4512476 (Monthly Rollup) 4512491 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 4512476 (Monthly Rollup) 4512491 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | 4512506 (Monthly Rollup) 4512486 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4512506 (Monthly Rollup) 4512486 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4512506 (Monthly Rollup) 4512486 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 | 4512518 (Monthly Rollup) 4512482 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 (Server Core installation) | 4512518 (Monthly Rollup) 4512482 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 4512488 (Monthly Rollup) 4512489 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 R2 (Server Core installation) | 4512488 (Monthly Rollup) 4512489 (Security Only) |
Critical | Remote Code Execution | Yes |
| Windows Server 2016 | 4512517 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server 2016 (Server Core installation) | 4512517 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server, version 1803 (Server Core Installation) | 4512501 (Security Update) |
Critical | Remote Code Execution | Yes |
Patches
10 patches
| Article | Type | Restart |
|---|---|---|
4512497 |
Security Update | Yes |
4512517 |
Security Update | Yes |
4512507 |
Security Update | Yes |
4512516 |
Security Update | Yes |
4512501 |
Security Update | Yes |
4512506 (Monthly Rollup) 4512486 |
Monthly Rollup | Yes |
4512488 (Monthly Rollup) 4512489 |
Monthly Rollup | Yes |
4512488 |
Monthly Rollup | Yes |
4512476 (Monthly Rollup) 4512491 |
Monthly Rollup | Yes |
4512518 (Monthly Rollup) 4512482 |
Monthly Rollup | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Microsoft Platform Security Assurance & Vulnerability Research
References
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