CVE-2026-112985: Microsoft JScript integer overflow remote code execution
CVE-2026-112985 · Severity: high · CVSS 7.5 · Published 2026-11-10
Microsoft JScript, a scripting engine used in web browsers and applications, contains an integer overflow vulnerability that allows an attacker to execute arbitrary code over a network. An attacker can exploit this flaw by sending a specially crafted script to a user's browser, potentially leading to system compromise without requiring user authentication or interaction.
No. Junglewise Threat Intelligence has no report of CVE-2026-112985 being exploited in the wild.
How severe is CVE-2026-112985?
High severity, with a CVSS score of 7.5, published 10 November 2026.
Which products and versions are affected?
Microsoft JScript.
Is there a fix for CVE-2026-112985?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-112985 attacked?
It is attacked over the network.
Am I affected by CVE-2026-112985?
Check whether you run Microsoft JScript. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.