Security
CVE detail from Microsoft's public MSRC CVRF API, cross-checked with CISA's Known Exploited Vulnerabilities catalog. Counts cover Microsoft-issued CVEs; republished third-party CVEs such as Chromium or Linux are hidden unless you include them.
Fixed by KB5130034Clear
| CVE | Vulnerability | Severity | CVSS | Impact | Status | Fixed by |
|---|---|---|---|---|---|---|
| CVE-2026-66822 | .NET Information Disclosure Vulnerability.NET | Important | 5.9 | Information DisclosureNetwork | KB5130034KB5130035+1 | |
| CVE-2026-70196 | ASP.NET Core Denial of Service VulnerabilityASP.NET Core | Important | 5.9 | DoSNetwork | KB5130034KB5130035+1 | |
| CVE-2026-96234 | .NET Information Disclosure Vulnerability.NET | Important | 5.3 | Information DisclosureNetwork | KB5130034KB5130035+1 |
Advisories
MSRC guidance without a CVE of its own · 1 advisory
Hardening changes for ReFS volumes on removable mediaStarting with Windows updates released on and after October 13, 2026, Microsoft is making hardening changes to the Resilient File System (ReFS) . This change is not enable by default until 2027. Please see Hardening changes for ReFS volumes on removable media for more information.