CVE-2026-114159

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

November 11, 2026

Last Seen

November 12, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Microsoft Discloses High-Risk .NET Vulnerability CVE-2026-11415963.0

Microsoft has released a security advisory for CVE-2026-114159, a high-severity vulnerability in.NET that allows for remote code execution due to an oversized Portable PDB document name causing a heap out-of-bounds write. The vulnerability affects applications using the Microsoft.DiaSymReader.Native...