Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability

Description

No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

Scores

EPSS (exploitation in 30 days)

0.37% · top 69% of all CVEs (5 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.

Weakness

• CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data (opens in a new tab)All about CWE-349 and its CVEs
• CWE-229 Improper Handling of Values (opens in a new tab)All about CWE-229 and its CVEs

Affected products

• Microsoft · Windows 10 Version 1607

  • affected 10.0.14393.0 – < 10.0.14393.9234

• Microsoft · Windows 10 Version 1809

  • affected 10.0.17763.0 – < 10.0.17763.8880

• Microsoft · Windows 10 Version 21H2

  • affected 10.0.19044.0 – < 10.0.19044.7417

• Microsoft · Windows 10 Version 22H2

  • affected 10.0.19045.0 – < 10.0.19045.7417

• Microsoft · Windows 11 version 23H2

  • affected 10.0.22631.0 – < 10.0.22631.7219

• Microsoft · Windows 11 Version 23H2

  • affected 10.0.22631.0 – < 10.0.22631.7219

• Microsoft · Windows 11 Version 24H2

  • affected 10.0.26100.0 – < 10.0.26100.8655

• Microsoft · Windows 11 Version 25H2

  • affected 10.0.26200.0 – < 10.0.26200.8655

• Microsoft · Windows 11 version 26H1

  • affected 10.0.28000.0 – < 10.0.28000.2269

• Microsoft · Windows Server 2012

  • affected 6.2.9200.0 – < 6.2.9200.26132

• Microsoft · Windows Server 2012 (Server Core installation)

  • affected 6.2.9200.0 – < 6.2.9200.26132

• Microsoft · Windows Server 2012 R2

  • affected 6.3.9600.0 – < 6.3.9600.23228

• Microsoft · Windows Server 2012 R2 (Server Core installation)

  • affected 6.3.9600.0 – < 6.3.9600.23228

• Microsoft · Windows Server 2016

  • affected 10.0.14393.0 – < 10.0.14393.9234

• Microsoft · Windows Server 2016 (Server Core installation)

  • affected 10.0.14393.0 – < 10.0.14393.9234

• Microsoft · Windows Server 2019

  • affected 10.0.17763.0 – < 10.0.17763.8880

• Microsoft · Windows Server 2019 (Server Core installation)

  • affected 10.0.17763.0 – < 10.0.17763.8880

• Microsoft · Windows Server 2022

  • affected 10.0.20348.0 – < 10.0.20348.5256

• Microsoft · Windows Server 2025

  • affected 10.0.26100.0 – < 10.0.26100.32995

• Microsoft · Windows Server 2025 (Server Core installation)

  • affected 10.0.26100.0 – < 10.0.26100.32995

References (1)

• Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability (opens in a new tab)vendor-advisorypatch

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-2026-45602](https://trackcve.app/badge/CVE-2026-45602.svg)](https://trackcve.app/cve/CVE-2026-45602)

Record last updated 24 Sept 2026, 13:44 UTC.