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OpenAdvisories
High MSRC-CVE-2026-69522 1 CVE

.NET and Visual Studio Remote Code Execution Vulnerability

Published Sep 8, 2026 · Updated Sep 29, 2026 · Revision 3

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

Revision history

  1. #3

    Security Updates table updated.

  2. #2

    Security Updates table updated provide links to the KB articles and download center updates. Microsoft recommends installing the updates.

  3. #1

    Information published.

References