CVE-2026-54128: Windows DHCP Client Remote Code Execution Vulnerability
Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.
Other sources
Windows DHCP Client Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9020Patch KB5099538
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The attacker needs local access to the affected Windows system. No privileges or user interaction are required according to the supplied CVSS vector.
Which systems should be considered in scope?
Microsoft Windows 10, Windows 11, and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 are listed as affected software.
What is the potential impact if exploitation succeeds?
Successful exploitation can allow code execution with high impact to confidentiality, integrity, and availability.