CVE-2026-261717.5HighCWE-400

CVE-2026-26171: .NET Denial of Service Vulnerability

Microsoft · .NET 10.0

Vendor fix available · Affected: Microsoft .NET 10.0 · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.8%probability of exploitation in the next 30 days

79th percentile

050100

Higher than 79% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

Affected products5

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Microsoft · .NET 10.0from 10.0.0 before 10.0.6
Microsoft · .NET 8.0from 8.0.0 before 8.0.26
Microsoft · .NET 9.0from 9.0.0 before 9.0.15
Microsoft · PowerShell 7.5from 7.5.0 before 7.5.6
Microsoft · PowerShell 7.6from 7.6.0 before 7.6.1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Uncontrolled Resource Consumption · Denial of Service
Vendor: Microsoft
Published: April 2026
Band: Possible (1 to 10%), April 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-26171 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

9 more references are in the CVE record.