CVE-2026-70197
.NET and Visual Studio Remote Code Execution Vulnerability
HIGH
8.1
CVSS Score
Published: October 13, 2026 at 07:00 PM UTC
Updated: October 25, 2026 at 06:42 PM UTC
3 products affected across 1 vendorVisual Studio 2022.netMicrosoft Visual Studio 2026 Version 18.10
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Severity
HIGH8.1
Exploit prediction
EPSS 0.8%
SSVC
No known exploit
Description
Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70197SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.1HIGHmicrosoft
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-787
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