CVE-2026-42974
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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-2026-42974
EUVD
EUVD-2026-35736
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_performance_monitor *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
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Executive Summary

This vulnerability is an integer underflow (wrap or wraparound) in Windows Performance Monitor.

It allows an unauthorized attacker to execute code over a network.

Impact Analysis

This vulnerability can allow a remote attacker to execute arbitrary code on your system without authorization.

The impact includes complete compromise of confidentiality, integrity, and availability of the affected system.

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