Patch tracker / KB5040426
KB5040426: Windows 10 for 32-bit Systems Security Update (July 2024)
KB5040426 is a High security update for Windows 10 for 32-bit Systems, released 2024-07-09. It closes 1 CVE with a maximum CVSS of 7.5. At least one of them is actively exploited (CISA KEV), so this is a deploy-first update. 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 KB5040426
Released July 9, 2024 for Windows 10 Version 22H2 x64, Windows 11 Version 23H2 x64, and Windows 10 32-bit systems, this update fixes CVE-2024-38112, a High severity, CVSS 7.5 vulnerability with an 84 percent EPSS score and confirmed CISA KEV status, though no ransomware link is recorded. A near-maximum exploitation probability on a confirmed-exploited bug makes this worth confirming even a year later on any system that missed it.
Do this: Audit Windows 10 22H2, Windows 11 23H2, and Windows 10 32-bit systems for this update and remediate any that missed the July 2024 cycle.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5040426
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5040426
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 1 CVE. At least one is actively exploited (CISA KEV). Most severe CVSS 7.5 (High). EPSS exploit probability up to 84%.
Among the top 5% of tracked Microsoft updates by EPSS exploit probability.
What to do
Treat as urgent: it is being exploited in the wild (CISA KEV), so patch ahead of items that are not. Senserva flags whether KB5040426 is missing on your devices.
Check if KB5040426 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-2024-38112 | High | 7.5 | 84% | KEV |
Affected products
Also released in July 2024
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.