CVE-2026-69522

CVE CVE-2026-69522EUVD EUVD-2026-73170Published 2026-09-08T17:10:32.000ZLast changed 2026-09-09T21:27:34.000ZCVSS 8.8

What the advisory describes

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

• Microsoft — .NET 10.0 10.0.0 <10.0.12
• Microsoft — .NET 11.0 11.0.0 <11.0 RC1
• Microsoft — .NET 8.0 8.0.0 <8.0.31
• Microsoft — .NET 9.0 9.0.0 <9.0.20
• Microsoft — Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 <2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
• Microsoft — Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 <2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0
• Microsoft — Microsoft .NET Framework 3.5 AND 4.8 4.8.0 <2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0
• Microsoft — Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 <2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0
• Microsoft — Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 <4.7.4145.0
• Microsoft — Microsoft .NET Framework 4.8 4.8.0 <4.8.4806.0
• Microsoft — Microsoft .NET Framework 4.8.1 4.8.0.0 <4.8.9347.0
• Microsoft — Microsoft Visual Studio 2022 version 17.14 17.14.0 <17.14.40
• Microsoft — Microsoft Visual Studio 2026 version 18.9 18.9.0 <18.9.3

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

• Microsoft — .NET
• Microsoft — .NET Framework
• Microsoft — Visual Studio

Patchlage reports hits and suspected hits. About everything else this system says nothing — neither this page nor the situation report ever claims that an estate is safe.