CVE-2026-42981
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Integer Underflow in Windows Performance Monitor

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-42981
EUVD
EUVD-2026-35735
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_performance_monitor *
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Exploitability
CWE
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KEV
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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.
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Executive Summary

This vulnerability is an integer underflow (also known as wrap or wraparound) in the Windows Performance Monitor component. It allows an unauthorized attacker to execute code remotely over a network.

Impact Analysis

The vulnerability can lead to remote code execution by an unauthorized attacker, which means the attacker could run malicious code on your system without permission. This can compromise the confidentiality, integrity, and availability of your system.

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