Patch tracker / KB5086095
KB5086095: .NET 10.0 installed on Windows Security Update (April 2026)
KB5086095 is a High security update for .NET 10.0 installed on Windows, released 2026-04-14. It closes 4 CVEs with a maximum CVSS of 7.5. Get it from the Microsoft Update Catalog below, and see where it sits against the rest of the month on the patch tracker.
Update summary
New to these terms? How the Microsoft patching tools fit together, this month's Patch Tuesday summary, and every update ranked by real-world risk.
Senserva AI Opinion for KB5086095
KB5086095 patches four CVEs across Visual Studio 2022 versions 17.12 and 17.14 plus .NET 10.0 on Windows, with the most serious rated High at CVSS 7.5. Exposure is limited to developer workstations and build agents running these specific toolchains, not general end-user machines. None of the four CVEs are in the CISA KEV catalog or linked to ransomware, and the highest EPSS sits at only 2 percent, so this is a maintenance update rather than an emergency.
Do this: Push KB5086095 to developer machines and CI build agents running Visual Studio 2022 17.12, 17.14, or .NET 10.0 during your next scheduled patch window.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5086095
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5086095
Senserva began recording day-to-day change history on 2026-07-07, and refreshes it several times a day. Release dates are historical where Microsoft publishes them; revision history is tracked from that date forward, so it does not include changes made before then.
Exploitation and severity
Fixes 4 CVEs. Most severe CVSS 7.5 (High). EPSS exploit probability up to 2.3%.
Among the lower half of tracked Microsoft updates by EPSS exploit probability.
What to do
Moderate priority: schedule it in your normal patch cycle. Senserva flags whether KB5086095 is missing on your devices.
Check if KB5086095 is installed
Copy-paste PowerShell: one machine, or your whole estate in one pass. No output means the update is not installed.
Get-HotFix covers Windows updates. Office, SharePoint, and Exchange server updates show under installed updates in Programs and Features, or check the Update Catalog history.
CVEs fixed by this update
Sorted exploited-first, then by CVSS. Every CVE links to its Senserva page with the full risk facts, references, and a ready-to-paste AI prompt.
| CVE | Severity | CVSS | EPSS | Exploited |
|---|---|---|---|---|
| CVE-2026-26171 | High | 7.5 | 2.3% | No |
| CVE-2026-32178 | High | 7.5 | 2.3% | No |
| CVE-2026-32203 | High | 7.5 | 2.3% | No |
| CVE-2026-33116 | High | 7.5 | 2.3% | No |
Affected products
Also released in April 2026
The highest-risk updates from the same release:
The full month, summarized: Microsoft Patch Tuesday.
Authoritative references
See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.