Patch tracker / KB5083768

KB5083768: Windows 10 Version 1809 for 32-bit Sys Security Update (April 2026)

KB5083768 is a Critical security update for Windows 10 Version 1809 for 32-bit Sys, released 2026-04-14. It closes 119 CVEs with a maximum CVSS of 9.8. The most likely of them to be attacked is CVE-2026-25250, which FIRST.org rates at 56% probability of exploitation in the next 30 days.

Update summary

Critical
2026-04-14
Released
119
CVEs fixed
9.8
Max CVSS
Critical
Severity
Deploy this cycle
Fixes 119 CVEs for Windows 10 Version 1809 for 32-bit Sys. No confirmed in-the-wild exploitation in this set today.

Fixes 119 CVEs. Most severe CVSS 9.8 (Critical). EPSS exploit probability up to 56%. Among the top 25% of tracked Microsoft updates by EPSS exploit probability.

Senserva found thisread these before you deploy broadly

Microsoft documents 1 known issue with this update.

  • Warnings related to Remote Desktop might not display correctly

The full text, quoted from Microsoft

Microsoft Update Catalog: download KB5083768Microsoft support article
Senserva AI Opinion for KB5083768

KB5083768 is an unusually large April 2026 rollup patching 120 CVEs across Windows 11 26H1 (ARM64 and x64) and Windows 10 1809, topping out at Critical severity CVSS 9.8. One of its CVEs is listed in the CISA Known Exploited Vulnerabilities catalog, and the highest EPSS score here is 64 percent, so exploitation risk is measured rather than theoretical. The mix of a brand new 26H1 branch and legacy 1809 in one KB means both cutting edge and long lived deployments are exposed.

Do this: Deploy KB5083768 to all Windows 11 26H1 and Windows 10 1809 systems now, prioritizing internet facing hosts given the KEV listed CVE and the 9.8 Critical entry.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for KB5083768

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Full tracking and change history for KB5083768

Released
2026-04-14
Last changed
2026-07-29
Changes tracked
2

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.

Check if KB5083768 is installed

Elevated PowerShell. No output means it is not installed.

Known issues, from Microsoft

Quoted from Microsoft's support article for KB5083768 (checked 2026-07-28). Verify against the article before acting.

Warnings related to Remote Desktop might not display correctly

Symptoms

After installing this update, the security warning that appears when opening Remote Desktop (RDP) files might not display correctly in some cases.

This issue might occur when you use more than one monitor with different display scaling settings (for example, one display set to 100% and another set to 125%). When this happens, the warning window might show overlapping text or partially hidden buttons, which can make the message difficult to read or interact with.

Workaround

This issue is addressed in KB5083806 .

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.

CVESeverityCVSSEPSSExploited
CVE-2025-64720Critical9.856%No
CVE-2025-65018Critical9.856%No
CVE-2026-20806Critical9.856%No
CVE-2026-20928Critical9.856%No
CVE-2026-23670Critical9.856%No
CVE-2026-25184Critical9.856%No
CVE-2026-25250Critical9.856%No
CVE-2026-26151Critical9.856%No
CVE-2026-26152Critical9.856%No
CVE-2026-26153Critical9.856%No
CVE-2026-26155Critical9.856%No
CVE-2026-26156Critical9.856%No
CVE-2026-26159Critical9.856%No
CVE-2026-26160Critical9.856%No
CVE-2026-26161Critical9.856%No
CVE-2026-26162Critical9.856%No
CVE-2026-26163Critical9.856%No
CVE-2026-26165Critical9.856%No
CVE-2026-26166Critical9.856%No
CVE-2026-26167Critical9.856%No
CVE-2026-26168Critical9.856%No
CVE-2026-26169Critical9.856%No
CVE-2026-26170Critical9.856%No
CVE-2026-26172Critical9.856%No
CVE-2026-26173Critical9.856%No
CVE-2026-26174Critical9.856%No
CVE-2026-26175Critical9.856%No
CVE-2026-26176Critical9.856%No
CVE-2026-26177Critical9.856%No
CVE-2026-26179Critical9.856%No
CVE-2026-26180Critical9.856%No
CVE-2026-26181Critical9.856%No
CVE-2026-26182Critical9.856%No
CVE-2026-26184Critical9.856%No
CVE-2026-27906Critical9.856%No
CVE-2026-27907Critical9.856%No
CVE-2026-27908Critical9.856%No
CVE-2026-27909Critical9.856%No
CVE-2026-27910Critical9.856%No
CVE-2026-27911Critical9.856%No
CVE-2026-27914Critical9.856%No
CVE-2026-27915Critical9.856%No
CVE-2026-27916Critical9.856%No
CVE-2026-27917Critical9.856%No
CVE-2026-27918Critical9.856%No
CVE-2026-27919Critical9.856%No
CVE-2026-27920Critical9.856%No
CVE-2026-27921Critical9.856%No
CVE-2026-27922Critical9.856%No
CVE-2026-27923Critical9.856%No
CVE-2026-27925Critical9.856%No
CVE-2026-27926Critical9.856%No
CVE-2026-27927Critical9.856%No
CVE-2026-27929Critical9.856%No
CVE-2026-27930Critical9.856%No
CVE-2026-27931Critical9.856%No
CVE-2026-32068Critical9.856%No
CVE-2026-32069Critical9.856%No
CVE-2026-32070Critical9.856%No
CVE-2026-32071Critical9.856%No
CVE-2026-32072Critical9.856%No
CVE-2026-32073Critical9.856%No
CVE-2026-32074Critical9.856%No
CVE-2026-32075Critical9.856%No
CVE-2026-32076Critical9.856%No
CVE-2026-32077Critical9.856%No
CVE-2026-32078Critical9.856%No
CVE-2026-32079Critical9.856%No
CVE-2026-32081Critical9.856%No
CVE-2026-32082Critical9.856%No
CVE-2026-32083Critical9.856%No
CVE-2026-32084Critical9.856%No
CVE-2026-32085Critical9.856%No
CVE-2026-32086Critical9.856%No
CVE-2026-32087Critical9.856%No
CVE-2026-32088Critical9.856%No
CVE-2026-32089Critical9.856%No
CVE-2026-32090Critical9.856%No
CVE-2026-32091Critical9.856%No
CVE-2026-32093Critical9.856%No
CVE-2026-32149Critical9.856%No
CVE-2026-32150Critical9.856%No
CVE-2026-32151Critical9.856%No
CVE-2026-32152Critical9.856%No
CVE-2026-32153Critical9.856%No
CVE-2026-32154Critical9.856%No
CVE-2026-32156Critical9.856%No
CVE-2026-32157Critical9.856%No
CVE-2026-32158Critical9.856%No
CVE-2026-32159Critical9.856%No
CVE-2026-32160Critical9.856%No
CVE-2026-32162Critical9.856%No
CVE-2026-32163Critical9.856%No
CVE-2026-32164Critical9.856%No
CVE-2026-32165Critical9.856%No
CVE-2026-32181Critical9.856%No
CVE-2026-32183Critical9.856%No
CVE-2026-32195Critical9.856%No
CVE-2026-32212Critical9.856%No
CVE-2026-32214Critical9.856%No
CVE-2026-32215Critical9.856%No
CVE-2026-32216Critical9.856%No
CVE-2026-32217Critical9.856%No
CVE-2026-32218Critical9.856%No
CVE-2026-32219Critical9.856%No
CVE-2026-32220Critical9.856%No
CVE-2026-32221Critical9.856%No
CVE-2026-32222Critical9.856%No
CVE-2026-32223Critical9.856%No
CVE-2026-32224Critical9.856%No
CVE-2026-32225Critical9.856%No
CVE-2026-33096Critical9.856%No
CVE-2026-33098Critical9.856%No
CVE-2026-33100Critical9.856%No
CVE-2026-33101Critical9.856%No
CVE-2026-33104Critical9.856%No
CVE-2026-33824Critical9.856%No
CVE-2026-33827Critical9.856%No
CVE-2026-33829Critical9.856%No

Scope and sources

Affected products
Also released in April 2026

KB5002853

2 CVEs · Medium · exploited

KB5002854

2 CVEs · Medium · exploited

KB5002861

2 CVEs · Medium · exploited

KB5082052

115 CVEs · Critical

KB5082060

121 CVEs · Critical

KB5082063

124 CVEs · Critical

KB5082123

107 CVEs · Critical

KB5082142

116 CVEs · Critical

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5083768 page (Microsoft Support)Microsoft Update CatalogMicrosoft Security Update Guide

See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.

New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
Provided as is, without warranty; verify against the vendor advisory before acting. Data notice and terms.