CVE-2026-47302 | Mend Vulnerability Database

Vulnerability DatabaseCVE-2026-47302

CVE-2026-47302

Published:July 14, 2026

Updated:July 21, 2026

Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.

Affected Packages

System.Security.Cryptography.Xml (DOT_NET):

Affected version(s) >=8.0.0 <8.0.4

Fix Suggestion:

Update to version 8.0.4

System.Security.Cryptography.Xml (DOT_NET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

System.Security.Cryptography.Xml (DOT_NET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.osx-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.win-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-arm (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.osx-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-arm (NUGET):

Affected version(s) >=8.0.0-preview.1.23110.8 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.win-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

system.security.cryptography.xml (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.osx-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

system.security.cryptography.xml (NUGET):

Affected version(s) >=8.0.0 <8.0.4

Fix Suggestion:

Update to version 8.0.4

microsoft.netcore.app.runtime.osx-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-arm (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-arm (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-musl-arm (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.osx-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.osx-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-arm (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-x86 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.win-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-arm (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.win-x86 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.win-x86 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

system.security.cryptography.xml (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

Related Resources (6)

https://github.com/dotnet/announcements/issues/410

https://github.com/dotnet/runtime

https://github.com/dotnet/runtime/security/advisories/GHSA-cvvh-rhrc-wg4q

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47302

https://github.com/dotnet/runtime/issues/130708

https://nvd.nist.gov/vuln/detail/CVE-2026-47302

Do you need more information?

CVSS v4

Base Score:

8.7

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

NONE

Vulnerable System Confidentiality

NONE

Vulnerable System Integrity

NONE

Vulnerable System Availability

HIGH

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Exploit Maturity

UNPROVEN

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

EPSS

Base Score:

0.81