CVE-2026-102869

Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an…

Risk score: 79/100
CVSS: 8.8 v3.1
Exploit chance (30 days): 0.7%
Published: 13 Oct 2026

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What to know

What it is: Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Amber

CVSS 8.8 high
Remotely exploitable without logging in
On your watchlist: .net

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102869

Original description

Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Last activity 13 Oct 2026. Patch Forecast updates every hour.