CVE-2026-45602

Modified Modified - Updated After Analysis

Windows DHCP Server Network Tampering Vulnerability

Publication date: 2026-06-09

Last updated on: 2026-06-16

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-09

Last Modified

2026-06-16

Generated

2026-06-30

AI Q&A

2026-06-09

EPSS Evaluated

2026-06-28

NVD

CVE-2026-45602

EUVD

EUVD-2026-35562

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9234 (exc)
microsoft	windows_10_1607	to 10.0.14393.9234 (exc)
microsoft	windows_10_1809	to 10.0.17763.8880 (exc)
microsoft	windows_10_1809	to 10.0.17763.8880 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7417 (exc)
microsoft	windows_server_2016	to 10.0.14393.9234 (exc)
microsoft	windows_server_2019	to 10.0.17763.8880 (exc)
microsoft	windows_server_2022	to 10.0.20348.5256 (exc)
microsoft	windows_server_2025	to 10.0.26100.32995 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7219 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8655 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8655 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-349	The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.
CWE-229	The product does not properly handle when the expected number of values for parameters, fields, or arguments is not provided in input, or if those values are undefined.

Attack-Flow Graph

Compliance Impact

This vulnerability allows an unauthorized attacker to perform tampering over a network on Windows DHCP Server.

Such tampering could potentially impact the confidentiality and integrity of data, which are critical aspects of compliance with standards like GDPR and HIPAA.

However, there is no specific information provided about direct effects on compliance with these regulations.

Executive Summary

This vulnerability exists in the Windows DHCP Server and allows an unauthorized attacker to perform tampering over a network.

Impact Analysis

The vulnerability can lead to tampering by an unauthorized attacker, which means the attacker could modify or interfere with network communications handled by the Windows DHCP Server.

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