CVE-2026-45490

EUVD-2026-35674
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
Affected Products (NVD)
VendorProductVersion
microsoft.net
8.0.0 ≤
𝑥
< 8.0.28
microsoft.net
9.0.0 ≤
𝑥
< 9.0.17
microsoft.net
10.0.0 ≤
𝑥
< 10.0.9
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dotnet10
bionic
dne
focal
dne
jammy
dne
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
dne
xenial
dne
dotnet6
bionic
dne
focal
dne
jammy
not-affected
noble
dne
questing
dne
resolute
dne
trusty
dne
xenial
dne
dotnet7
bionic
dne
focal
dne
jammy
ignored
noble
dne
questing
dne
resolute
dne
trusty
dne
xenial
dne
dotnet8
bionic
dne
focal
dne
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
dne
trusty
dne
xenial
dne
dotnet9
bionic
dne
focal
dne
jammy
dne
noble
dne
questing
not-affected
resolute
dne
trusty
dne
xenial
dne
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
aspnetcore-runtime-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
aspnetcore-runtime-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
aspnetcore-runtime-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
aspnetcore-runtime-dbg-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
aspnetcore-runtime-dbg-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
aspnetcore-runtime-dbg-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
aspnetcore-targeting-pack-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
aspnetcore-targeting-pack-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
aspnetcore-targeting-pack-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet-apphost-pack-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-apphost-pack-10.0-debuginfo
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-apphost-pack-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-apphost-pack-8.0-debuginfo
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-apphost-pack-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-apphost-pack-9.0-debuginfo
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-host
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-host-debuginfo
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-hostfxr-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-hostfxr-10.0-debuginfo
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-hostfxr-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-hostfxr-8.0-debuginfo
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-hostfxr-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-hostfxr-9.0-debuginfo
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-runtime-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-runtime-10.0-debuginfo
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-runtime-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-runtime-8.0-debuginfo
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-runtime-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-runtime-9.0-debuginfo
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-runtime-dbg-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-runtime-dbg-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-runtime-dbg-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-sdk-10.0
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-sdk-10.0-debuginfo
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-sdk-10.0-source-built-artifacts
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-sdk-8.0
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet-sdk-8.0-debuginfo
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet-sdk-8.0-source-built-artifacts
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet-sdk-9.0
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet-sdk-9.0-debuginfo
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet-sdk-9.0-source-built-artifacts
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet-sdk-aot-10.0
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-sdk-aot-10.0-debuginfo
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-sdk-aot-9.0
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet-sdk-aot-9.0-debuginfo
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet-sdk-dbg-10.0
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-sdk-dbg-8.0
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet-sdk-dbg-9.0
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet-targeting-pack-10.0
Amazon Linux 2023
0:10.0.9-1.amzn2023.0.1
fixed
dotnet-targeting-pack-8.0
Amazon Linux 2023
0:8.0.28-1.amzn2023.0.1
fixed
dotnet-targeting-pack-9.0
Amazon Linux 2023
0:9.0.17-1.amzn2023.0.2
fixed
dotnet-templates-10.0
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet-templates-8.0
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet-templates-9.0
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
dotnet10.0-debuginfo
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet10.0-debugsource
Amazon Linux 2023
0:10.0.109-1.amzn2023.0.1
fixed
dotnet8.0-debuginfo
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet8.0-debugsource
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
dotnet9.0-debugsource
Amazon Linux 2023
0:9.0.118-1.amzn2023.0.2
fixed
netstandard-targeting-pack-2.1
Amazon Linux 2023
0:8.0.128-1.amzn2023.0.1
fixed
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490
https://access.redhat.com/security/cve/CVE-2026-45490
https://bugzilla.redhat.com/show_bug.cgi?id=2487184
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45490.json