CVE-2026-88193
HighCVSS 7.8Summary
Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally. The issue stems from improper memory management.
Risk Assessment
An authorized user can gain higher privileges, potentially leading to unauthorized access to the system and data.
Recommendation
Apply security patches for Microsoft Scripting Engine and restrict execution of scripts from untrusted sources.
Other vulnerabilities in Microsoft Scripting Engine
See all- CVE-2025-30397HighActively exploited
Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.
- CVE-2017-0028Critical
A remote code execution vulnerability exists when Microsoft scripting engine improperly accesses objects in memory. This could corrupt memory in a way that enables an attacker to execute arbitrary code in the context of the current user.
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS