---
id: "CVE-2026-105578"
page: "https://infrastack.ai/live/CVE-2026-105578"
kind: "vulnerability"
aliases: ["CVE-2026-105578"]
title: "Microsoft JScript: integer overflow lets an unauthorized network attacker run code"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Microsoft JScript", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["jscript", "microsoft", "other", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:18:00+00:00"
first_seen_at: "2026-11-10T19:24:20+00:00"
updated_at: "2026-11-10T19:47:28+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105578", "first_seen_at": "2026-11-10T19:24:20+00:00"}]
exploit_sources: []
---

# Microsoft JScript: integer overflow lets an unauthorized network attacker run code

Link for people: https://infrastack.ai/live/CVE-2026-105578 (this .md is for agents)

Microsoft JScript has an integer overflow or wraparound flaw. The NVD entry says an unauthorized attacker can exploit it over a network to execute code.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Microsoft JScript affected range not listed fixed no fixed version listed

## Timeline

- 2026-11-10T19:24:20+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-105578

## From the sources

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

---

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