CVE-2026-70119
Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Windows DNS Server

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description
Out-of-bounds read in Windows DNS allows an authorized attacker to execute code over a network.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-16
Generated
2026-10-19
AI Q&A
2026-10-14
EPSS Evaluated
2026-10-18
NVD
CVE-2026-70119
EUVD
EUVD-2026-99179

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
microsoft windows_server_2025 to 10.0.26100.33650 (exc)
microsoft windows_server_2022 to 10.0.20348.5761 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This is an out-of-bounds read vulnerability in Windows DNS that allows an authorized attacker to execute code remotely over a network. It affects Windows Server 2022 and 2025, including Server Core installations.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially gaining control over it. This could lead to data breaches, system compromise, or further network attacks if the attacker gains elevated privileges.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows DNS vulnerability. Monitor Microsoft's security advisories for updates and ensure DNS services are running with the latest patches installed.

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