What’s Vulnerable › Vulnerabilities

CVE-2026-59117: Windows Terminal Remote Code Execution Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-16 · updated 2026-10-28
• Weakness: CWE-190

Description

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

Affected products

• Microsoft Windows Terminal App: all versions
• Microsoft Windows Terminal App: from 1.0.0 before 1.24.11321.0 — fixed in 1.24.11321.0

How to fix

Upgrade to a fixed version: Microsoft Windows Terminal App 1.24.11321.0. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59117

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