CVE-2026-62745
Received Received - Intake

Integer Underflow in Windows DHCP Server Information Disclosure

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-62745
EUVD
EUVD-2026-56370

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_dhcp_server *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-191 The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an integer underflow in the Windows DHCP Server. It allows an unauthorized attacker to disclose information over an adjacent network by exploiting this flaw.

Impact Analysis

An attacker could exploit this to gain access to sensitive information transmitted over the network, potentially leading to data breaches or unauthorized access to confidential data.

Compliance Impact

This vulnerability could lead to unauthorized information disclosure, which may violate compliance requirements such as GDPR or HIPAA, depending on the data exposed.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows DHCP Server vulnerability. Monitor network traffic for unusual activity and restrict adjacent network access to DHCP servers.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-62745. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart