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TI-2026-42288 Aliases CVE-2026-59117GHSA-g52r-hw2c-c98r

Windows Terminal Remote Code Execution Vulnerability

Priority LOW 36CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00608 49th percentileScored 2026-11-07
Fix Fixed Windows Terminal App (Microsoft): 1.24.11321.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows Terminal App1.0.0 to before 1.24.11321.01.24.11321.0Patch availableCNA
  • Windows Terminal App VendorMicrosoft Affected 1.0.0 to before 1.24.11321.0 Fixed in 1.24.11321.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:terminal:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:terminal:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

  • Fix · CNA Windows Terminal App (Microsoft) Fixed in 1.24.11321.0

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Windows Terminal AppFixed 1.24.11321.0 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59117
  2. 2026-10-03 Alias added: GHSA-g52r-hw2c-c98r

References

Patch 1

  • TI-2022-22003 Windows Terminal Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2026-39048 Windows Terminal Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences