PT-2026-87468 · Microsoft+1 · .Net 10.0+6

CVE-2026-69439

·

Published

2026-09-08

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Updated

2026-09-09

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Fix

Heap Based Buffer Overflow

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Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-69439
GHSA-527H-Q9F6-P7QX

Affected Products

.Net 10.0
.Net 11.0
.Net 8.0
.Net 9.0
Visual Studio 2022 Version 17.14
Visual Studio 2026 Version 18.9
Microsoft.Diasymreader.Native