High severity · published Sep 8, 2026
CVE-2026-69805
.NET Elevation of Privilege Vulnerability
8.1
CVSS
0.5%
EPSS
No
On KEV
Description
External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MV
Microsoft Visual Studio 2022 version 17.14 · Microsoft
17.14.0 before 17.14.40 · source: vendor
MV
Microsoft Visual Studio 2026 version 18.9 · Microsoft
18.9.0 before 18.9.3 · source: vendor
MI
Microsoft.Diagnostics.Runtime · Microsoft
4.1.740301 before 4.1.740301 · source: vendor, NVD
VS
Visual Studio 2022 · Microsoft
17.14.0 before 17.14.40 · source: NVD
VS
Visual Studio 2026 · Microsoft
18.9.0 before 18.9.3 · source: NVD
Affected product
MV
Microsoft Visual Studio 2022 version 17.14
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-69805
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-69805
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69805
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