CVE-2026-114151

Visual Studio Remote Code Execution Vulnerability

CVE-2026-114151 is fixed in 3 products on 1 platform, first by KB5135241, released November 10, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0149

74th percentile

<p>Deserialization of untrusted data in Visual Studio allows an unauthorized attacker to execute code over a network.</p>

Where it's fixed

Product	Fix	Released
Microsoft
.NET 10.0 installed on Windows	KB5135241	Nov 10, 2026
.NET 8.0 installed on Windows	KB5135243	Nov 10, 2026
.NET 9.0 installed on Windows	KB5135242	Nov 10, 2026

Details

Published
November 10, 2026
Weakness
Deserialization of Untrusted Data
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114151

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