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CVE-2026-1207965.3MediumCWE-407

CVE-2026-120796: .NET Denial of Service Vulnerability

Microsoft · .NET 11.0 installed on Linux

Vendor fix available · Affected: Microsoft .NET 11.0 installed on Linux · Exploitation: possible (1 to 10%)

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

1.2%probability of exploitation in the next 30 days
67th percentile
050100

Higher than 67% of scored CVEs

5.3MediumCVSS 3.1
LowMedium

DescriptionCVE.org

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

Affected products4

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

  • Microsoft · .NET 11.0 installed on Linuxfrom 11.0.0-preview.1 before 11.0.0
  • Microsoft · .NET 11.0 installed on Mac OSfrom 11.0.0-preview.1 before 11.0.0
  • Microsoft · .NET 11.0 installed on Windowsfrom 11.0.0-preview.1 before 11.0.0
  • Microsoft · System.Text.Jsonfrom NOT_YET_AVAILABLE before 11.0.0

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
Vendor
Microsoft
Published
November 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-120796 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