Review reviewHigh

CVE-2026-47302

Microsoft .NET 10.0, .NET 8.0, .NET 9.0

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

PRIORITY ASSESSMENT

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability1.03%

Technical severityCVSS 7.5

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

Product: Microsoft .NET 10.0, .NET 8.0, .NET 9.0
Affected versions: >= 10.0.0 < 10.0.10, >= 8.0.0 < 8.0.29, >= 9.0.0 < 9.0.18, >= 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978, >= 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0, >= 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0, >= 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0, >= 4.7.0 < 4.7.4143.0, >= 4.8.0 < 4.8.4803.0, >= 17.12.0 < 17.12.22, >= 17.14.0 < 17.14.36, >= 18.0 < 18.7.4, 4.8, 4.6.2, 4.7, 4.7.1, 4.7.2, 3.5, 4.8.1, >= 10.0.0 < 10.0.6
Fixed versions: 8.0.29, 9.0.18, 10.0.6, 17.12.22, 17.14.36, 18.7.4

Confirm exposure before applying a vendor-supported change.

1
Identify
Confirm that Microsoft .NET 10.0, .NET 8.0, .NET 9.0 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.