What is CVE-2026-59117?

CVE-2026-59117 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Terminal Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-59117 cover?

CVE-2026-59117 covers the following CVE IDs: CVE-2026-59117. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-59117?

CVE-2026-59117 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-59117?

CVE-2026-59117 affects 1 product, including: Windows Terminal App.

CVE-2026-59117HighCVSS 7.5

Windows Terminal Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-59117 →

📋 Description

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

🎯 Affected products1

Windows Terminal App

✅ Remediation

KBRelease Notes (Security Update) — fixed build 1.24.11321.0

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59117
patchhttps://apps.microsoft.com/store/detail/windows-terminal/9N0DX20HK701?hl=en-us&gl=us
referencehttps://github.com/microsoft/terminal/releases/#release-v1.24.11321.0