CVE-2026-59117
Received Received - Intake

Integer Overflow in Windows Terminal Leads to Remote Code Execution

Vulnerability report for CVE-2026-59117, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-16

Last updated on: 2026-07-16

Assigner: Microsoft Corporation

Description

Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code over a network.

CVSS Scores

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Meta Information

Published
2026-07-16
Last Modified
2026-07-16
Generated
2026-07-17
AI Q&A
2026-07-17
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

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

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.

Attack-Flow Graph

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Executive Summary

This vulnerability is an integer overflow or wraparound flaw in Windows Terminal. It allows an unauthorized attacker to execute arbitrary code over a network by exploiting this issue.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially leading to unauthorized access, data theft, or further compromise of your device.

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows Terminal immediately. Disable network access to Windows Terminal if not required. Monitor network traffic for unusual activity targeting Windows Terminal.

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