CVE catalog
CVE-2026-32226
Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.54% · Oct 25, 2026
A flaw was found in .NET Framework. This vulnerability, a race condition, allows an unauthorized attacker to exploit improper synchronization when shared resources are concurrently executed. This can lead to a Denial of Service (DoS) over a network, making the affected system or application unavailable to legitimate users. dotnet: .NET Framework: Denial of Service via race condition This Moderate impact flaw in .NET Framework allows an unauthorized attacker to cause a Denial of Service over a network. The vulnerability arises from a race condition due to improper synchronization when shared resources are concurrently executed. This affects Red Hat Enterprise Linux and Fedora systems utilizing .NET Framework. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | .net_framework | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-32226]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32226.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1100.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]