Patch tracker / CVE reference / CVE-2026-65810
CVE-2026-65810
CVE-2026-65810 is a critical severity Microsoft vulnerability with a CVSS score of 9.8. Microsoft has shipped the fix: deploy one of the 19 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
Risk summary
Not in the CISA KEV catalog. EPSS exploit probability Not scored. CVSS 9.8 (Critical).
Senserva AI Opinion and rich prompt for CVE-2026-65810
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Official patch(es) for CVE-2026-65810
Elevated priority: high severity or a meaningful exploitation probability, sooner if an affected product is internet-facing. In Intune or Defender, confirm whether the fixing updates KB5120418, KB5120695, KB5120698, KB5120699, KB5120700, KB5120701, KB5120702, KB5120703, KB5120704, KB5120705, KB5120706, KB5120708, KB5120709, KB5120710, KB5120711, KB5120713, KB5120714, KB5120716, KB5120747 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security updates below to fix CVE-2026-65810. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.
Scope and sources
- Affected products
- .NET 10.0 installed on Mac OS
- Microsoft .NET Framework 3.5 on Windows 11 Version 26H1 for ARM64-based Systems
- Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
- Microsoft .NET Framework 4.8 on Windows Server 2016
- Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)
- Microsoft .NET Framework 4.8.1 on Windows 11 Version 26H1 for ARM64-based Systems
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows Server 2019
- Fixed by the same updates
- Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.