CVE-2026-45602: Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability
No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.
Other sources
Windows Dynamic Host Configuration Protocol (DHCP) Tampering 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 10.0.19044.7417Patch KB5094127 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5256Patch KB5094128 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.8880Patch KB5094123 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7417Patch KB5094127 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26132Patch KB5094042 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23228Patch KB5094041 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9234Patch KB5094122 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2269Patch KB5095051 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8655Patch KB5094126 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7219Patch KB5093998 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8655Patch KB5094126 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.32995Patch KB5094125
Event History
Frequently Asked Questions
What is the severity of CVE-2026-45602?
CVE-2026-45602 has a severity rating of 9.1, classified as critical.
How do I fix CVE-2026-45602?
To address CVE-2026-45602, apply the latest security updates provided by Microsoft for affected Windows versions.
What is the impact of CVE-2026-45602?
CVE-2026-45602 allows an unauthorized attacker to perform DHCP tampering, compromising network integrity.
Which systems are affected by CVE-2026-45602?
CVE-2026-45602 affects Microsoft Windows 10, Windows 11, and multiple versions of Windows Server.
When was CVE-2026-45602 published?
CVE-2026-45602 was published on June 9, 2026.