CVE-2026-26127

EUVD-2026-10691
Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
microsoft.net
10.0.0 ≤
𝑥
< 10.0.4
microsoft.net
9.0.0 ≤
𝑥
< 9.0.14
microsoftbcl.memory
9.0.0 ≤
𝑥
< 9.0.14
microsoftbcl.memory
10.0.0 ≤
𝑥
< 10.0.4
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dotnet10
bionic
dne
focal
dne
jammy
dne
noble
Fixed 10.0.104-10.0.4-0ubuntu1~24.04.1
released
questing
Fixed 10.0.104-10.0.4-0ubuntu1~25.10.1
released
trusty
dne
xenial
dne
dotnet6
bionic
dne
focal
dne
jammy
not-affected
noble
dne
questing
dne
trusty
dne
xenial
dne
dotnet7
bionic
dne
focal
dne
jammy
ignored
noble
dne
questing
dne
trusty
dne
xenial
dne
dotnet8
bionic
dne
focal
dne
jammy
not-affected
noble
not-affected
questing
not-affected
trusty
dne
xenial
dne
dotnet9
bionic
dne
focal
dne
jammy
dne
noble
dne
questing
Fixed 9.0.115-9.0.14-0ubuntu1~25.10.1
released
trusty
dne
xenial
dne
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
aspnetcore-runtime-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
aspnetcore-runtime-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
aspnetcore-runtime-dbg-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
aspnetcore-runtime-dbg-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
aspnetcore-targeting-pack-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
aspnetcore-targeting-pack-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
dotnet
RHEL 8
0:10.0.104-1.el8_10
fixed
dotnet-apphost-pack-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
dotnet-apphost-pack-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
dotnet-host
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
dotnet-hostfxr-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
dotnet-hostfxr-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
dotnet-runtime-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
dotnet-runtime-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
dotnet-runtime-dbg-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
dotnet-runtime-dbg-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
dotnet-sdk-10.0
RHEL 8
0:10.0.104-1.el8_10
fixed
RHEL 9
0:10.0.104-1.el9_7
fixed
dotnet-sdk-10.0-source-built-artifacts
RHEL 8
0:10.0.104-1.el8_10
fixed
RHEL 9
0:10.0.104-1.el9_7
fixed
dotnet-sdk-9.0
RHEL 8
0:9.0.115-1.el8_10
fixed
RHEL 9
0:9.0.115-1.el9_7
fixed
dotnet-sdk-9.0-source-built-artifacts
RHEL 8
0:9.0.115-1.el8_10
fixed
RHEL 9
0:9.0.115-1.el9_7
fixed
dotnet-sdk-aot-10.0
RHEL 8
0:10.0.104-1.el8_10
fixed
RHEL 9
0:10.0.104-1.el9_7
fixed
dotnet-sdk-aot-9.0
RHEL 8
0:9.0.115-1.el8_10
fixed
RHEL 9
0:9.0.115-1.el9_7
fixed
dotnet-sdk-dbg-10.0
RHEL 8
0:10.0.104-1.el8_10
fixed
RHEL 9
0:10.0.104-1.el9_7
fixed
dotnet-sdk-dbg-9.0
RHEL 8
0:9.0.115-1.el8_10
fixed
RHEL 9
0:9.0.115-1.el9_7
fixed
dotnet-targeting-pack-10.0
RHEL 8
0:10.0.4-1.el8_10
fixed
RHEL 9
0:10.0.4-1.el9_7
fixed
dotnet-targeting-pack-9.0
RHEL 8
0:9.0.14-1.el8_10
fixed
RHEL 9
0:9.0.14-1.el9_7
fixed
dotnet-templates-10.0
RHEL 8
0:10.0.104-1.el8_10
fixed
RHEL 9
0:10.0.104-1.el9_7
fixed
dotnet-templates-9.0
RHEL 8
0:9.0.115-1.el8_10
fixed
RHEL 9
0:9.0.115-1.el9_7
fixed
netstandard-targeting-pack-2.1
RHEL 8
0:9.0.115-1.el8_10
fixed
RHEL 9
0:9.0.115-1.el9_7
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
aspnetcore-runtime-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
aspnetcore-runtime-dbg-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
aspnetcore-targeting-pack-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-apphost-pack-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-apphost-pack-9.0-debuginfo
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-host
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-host-debuginfo
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-hostfxr-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-hostfxr-9.0-debuginfo
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-runtime-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-runtime-9.0-debuginfo
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-runtime-dbg-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-sdk-9.0
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-sdk-9.0-debuginfo
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-sdk-9.0-source-built-artifacts
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-sdk-aot-9.0
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-sdk-aot-9.0-debuginfo
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-sdk-dbg-9.0
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet-targeting-pack-9.0
Amazon Linux 2023
0:9.0.14-1.amzn2023.0.1
fixed
dotnet-templates-9.0
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
dotnet9.0-debugsource
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
netstandard-targeting-pack-2.1
Amazon Linux 2023
0:9.0.115-1.amzn2023.0.1
fixed
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26127