Vulnerability · Published Sep 8, 2026 · Assigned by microsoft
CVE-2026-69805.NET Elevation of Privilege Vulnerability
High 7.5
In plain English
A high-severity information exposure in Microsoft.Diagnostics.Runtime from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 57.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 – before 17.14.40 |
| Microsoft | Microsoft Visual Studio 2026 version 18.9 | 18.9.0 – before 18.9.3 |
| Microsoft | Microsoft.Diagnostics.Runtime | 4.1.740301 – before 4.1.740301 |
Weakness: CWE-73, CWE-522, CWE-200 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- .NET Elevation of Privilege Vulnerability vendor-advisory, patch