CVE-2026-69805

High

Description

External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMicrosoft.diagnostics.runtime
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Update
  • microsoft microsoft.diagnostics.runtime4.1.740301 or later
  • microsoft visual_studio_202217.14.40 or later
  • microsoft visual_studio_202618.9.3 or later

Affected products

ProductAffected versionsFixed in
microsoft microsoft.diagnostics.runtimev < 4.1.7403014.1.740301
microsoft visual_studio_202217.14.0 ≤ v < 17.14.4017.14.40
microsoft visual_studio_202618.9.0 ≤ v < 18.9.318.9.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.