CVE-2026-59117: CWE-190: Integer Overflow or Wraparound in Microsoft Windows Terminal App
Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow or wraparound in the Windows Terminal App, specifically version 1.0.0. Exploiting this flaw could enable an attacker without privileges to execute arbitrary code remotely. The vulnerability is tracked as CWE-190 and has been assigned CVE-2026-59117. Microsoft has published an official fix to remediate the issue.
Potential Impact
Successful exploitation of this vulnerability could result in remote code execution with high impact on confidentiality, integrity, and availability. An attacker could run arbitrary code on the affected system without prior authorization, potentially leading to full system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59117 to remediate this vulnerability.
CVE-2026-59117: CWE-190: Integer Overflow or Wraparound in Microsoft Windows Terminal App
Description
Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow or wraparound in the Windows Terminal App, specifically version 1.0.0. Exploiting this flaw could enable an attacker without privileges to execute arbitrary code remotely. The vulnerability is tracked as CWE-190 and has been assigned CVE-2026-59117. Microsoft has published an official fix to remediate the issue.
Potential Impact
Successful exploitation of this vulnerability could result in remote code execution with high impact on confidentiality, integrity, and availability. An attacker could run arbitrary code on the affected system without prior authorization, potentially leading to full system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59117 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-02T16:05:24.069Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59117","vendor":"Microsoft"}]
Threat ID: 6a59dfe768715ace439a90eb
Added to database: 07/17/2026, 07:55:19 UTC
Last enriched: 08/16/2026, 13:39:11 UTC
Last updated: 08/31/2026, 11:04:36 UTC
Views: 196
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.