CVE-2026-70190

.NET Elevation of Privilege Vulnerability

At a glance

Severity
HIGH 7.3
EPSS
EPSS 0.49 % · percentile 42 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Awaiting Analysis

Description

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected products

ProductVersions
Microsoft · .NET 10.0 runtimeaffected 10.0.0 < 10.0.113
Microsoft · .NET 11.0 runtimeaffected 11.0.0 < 11.0.100-rc.2
Microsoft · .NET 9.0 runtimeaffected 9.0.0 < 9.0.319, 9.0.122
Microsoft · Microsoft Visual Studio 2022 version 17.14affected 17.14.0 < 17.14.42
Microsoft · Microsoft Visual Studio 2026 version 18.10affected 18.10.0 < 18.10.4

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD