Patch tracker / KB5002790
KB5002790: Microsoft Office 2019 for 32-bit editi Security Update (October 2025)
KB5002790 is a High security update for Microsoft Office 2019 for 32-bit editi, released 2025-10-14. It closes 1 CVE with a maximum CVSS of 7.8. It is the 35th largest of the 60 updates Microsoft shipped that month, by CVEs closed.
Update summary
Fixes 1 CVE. Most severe CVSS 7.8 (High). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.
A newer security update for Microsoft Office 2019 for 32-bit editions has shipped since this one: KB5002755 (2026-08-11). For cumulative update families the newer package includes these fixes, so installing that one is usually the shorter path. Verify against your own update rings before you skip this package.
KB5002790 is an October 14, 2025 Office security update that patches a single flaw, CVE-2025-59238, rated High with a CVSS score of 7.8. It applies to Office 2019 in both 32-bit and 64-bit editions plus Microsoft 365 Apps for Enterprise on 32-bit systems, so any workstation running these Office builds is in scope. EPSS is currently 0 percent and it is not in the CISA KEV catalog, so patch this on your normal cycle rather than as an emergency, but the 7.8 score warrants attention.
Do this: Deploy KB5002790 to all machines running Office 2019 or 32-bit Microsoft 365 Apps for Enterprise through your standard patch ring this month.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5002790
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5002790
- Released
- 2025-10-14
- Last changed
- 2025-10-14
- Changes tracked
- 1
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 KB5002790 is installed
Elevated PowerShell. No output means it is not installed.
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-2025-59238 | High | 7.8 | <1% | No |
Scope and sources
- Affected products
- Also released in October 2025
KB5070879
1 CVE · Critical · exploitedKB5070881
1 CVE · Critical · exploitedKB5070882
1 CVE · Critical · exploitedKB5070883
1 CVE · Critical · exploitedKB5070884
1 CVE · Critical · exploitedKB5070886
1 CVE · Critical · exploitedKB5070887
1 CVE · Critical · exploitedKB5070892
1 CVE · Critical · exploitedThe full month, summarized: Microsoft Patch Tuesday.
- Authoritative references
See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.