Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
According to the CVSS metric, the attack vector is network (AV:N) and user interaction is required (UI:R). What is the target context of the remote code execution?
This attack requires a user to open a specially crafted file from the attacker to initiate remote code execution.
Security updates
10.0.12 — https://support.microsoft.com/kb/5126106
8.0.31 — https://support.microsoft.com/kb/5126104
9.0.20 — https://support.microsoft.com/kb/5126105
17.14.40 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
4.8.4806.0 — https://support.microsoft.com/help/5126049
4.8.4806.0 — https://support.microsoft.com/help/5126047
4.8.4806.0 — https://support.microsoft.com/help/5126051
2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0 — https://support.microsoft.com/help/5126048
2.0.50727.9183 & 3.0.30729.9169 & 4.8.4806.0 — https://support.microsoft.com/help/5126050
2.0.50727.9183 & 3.0.30729.9169 & 4.8.4806.0 — https://support.microsoft.com/help/5126046
2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0 — https://support.microsoft.com/help/5126043
2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0 — https://support.microsoft.com/help/5123099
4.7.4145.0 — https://support.microsoft.com/help/5126044
4.7.4145.0 — https://support.microsoft.com/help/5126045
4.8.9347.0 — https://support.microsoft.com/help/5126053
2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0 — https://support.microsoft.com/help/5126422
2.0.50727.9183 & 3.0.30729.9169 & 4.8.9346.0 — https://support.microsoft.com/help/5126421
2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0 — https://support.microsoft.com/help/5126052
2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0 — https://support.microsoft.com/help/5126424
18.9.3 — https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
Vulnerabilities 1
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High 8.8
.NET and Visual Studio Remote Code Execution Vulnerability
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
Revision history
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#3
Security Updates table updated.
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#2
Security Updates table updated provide links to the KB articles and download center updates. Microsoft recommends installing the updates.
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#1
Information published.
References
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CVE-2026-69522 .NET and Visual Studio Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69522
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss