Patch tracker / KB5002914
KB5002914: Microsoft Office 2019 for 32-bit editi Security Update (September 2026)
KB5002914 is a High security update for Microsoft Office 2019 for 32-bit editi, released 2026-09-08. It closes 31 CVEs with a maximum CVSS of 8.8. It is the 19th largest of the 67 updates Microsoft shipped that month, by CVEs closed.
Update summary
Fixes 31 CVEs. Most severe CVSS 8.8 (High). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.
Microsoft documents 1 known issue with this update.
- In Microsoft Excel 2024, 2021, 2019, and 2016, the paste operation might fail silently. Although users try to paste content, the source remains...
Senserva AI Opinion and rich prompt for KB5002914
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5002914
- Released
- 2026-09-08
- Last changed
- 2026-09-10
- 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 KB5002914 is installed
Elevated PowerShell. No output means it is not installed.
Known issues, from Microsoft
Quoted from Microsoft's support article for KB5002914 (checked 2026-09-15). Verify against the article before acting.
In Microsoft Excel 2024, 2021, 2019, and 2016, the paste operation might fail silently. Although users try to paste content, the source remains selected and the destination is unmodified. When this issue occurs, users receive no indication of the failure, such as a beep or error message. Microsoft is researching the issue and will post more information in this article when the information becomes available.
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-2026-78512 | High | 8.8 | <1% | No |
| CVE-2026-78518 | High | 8.8 | <1% | No |
| CVE-2026-81387 | High | 8.8 | <1% | No |
| CVE-2026-81390 | High | 8.8 | <1% | No |
| CVE-2026-81391 | High | 8.8 | <1% | No |
| CVE-2026-81392 | High | 8.8 | <1% | No |
| CVE-2026-81393 | High | 8.8 | <1% | No |
| CVE-2026-81394 | High | 8.8 | <1% | No |
| CVE-2026-81395 | High | 8.8 | <1% | No |
| CVE-2026-81399 | High | 8.8 | <1% | No |
| CVE-2026-81400 | High | 8.8 | <1% | No |
| CVE-2026-81401 | High | 8.8 | <1% | No |
| CVE-2026-81958 | High | 8.8 | <1% | No |
| CVE-2026-85875 | High | 8.8 | <1% | No |
| CVE-2026-81386 | High | 7.8 | <1% | No |
| CVE-2026-81388 | High | 7.8 | <1% | No |
| CVE-2026-81396 | High | 7.8 | <1% | No |
| CVE-2026-81397 | High | 7.8 | <1% | No |
| CVE-2026-81398 | High | 7.8 | <1% | No |
| CVE-2026-81947 | High | 7.8 | <1% | No |
| CVE-2026-81948 | High | 7.8 | <1% | No |
| CVE-2026-81949 | High | 7.8 | <1% | No |
| CVE-2026-81950 | High | 7.8 | <1% | No |
| CVE-2026-81951 | High | 7.8 | <1% | No |
| CVE-2026-81953 | High | 7.8 | <1% | No |
| CVE-2026-81954 | High | 7.8 | <1% | No |
| CVE-2026-81956 | High | 7.8 | <1% | No |
| CVE-2026-81957 | High | 7.8 | <1% | No |
| CVE-2026-81959 | High | 7.8 | <1% | No |
| CVE-2026-81960 | High | 7.8 | <1% | No |
| CVE-2026-81389 | High | 7.0 | <1% | No |
Scope and sources
- Affected products
- Also released in September 2026
KB5122871
679 CVEs · Critical · exploitedKB5122876
616 CVEs · Critical · exploitedKB5122878
568 CVEs · Critical · exploitedKB5122880
602 CVEs · Critical · exploitedKB5122882
641 CVEs · Critical · exploitedKB5123065
393 CVEs · Critical · exploitedKB5123066
418 CVEs · Critical · exploitedKB5123099
555 CVEs · 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.