Patch tracker / KB5002819
KB5002819: Microsoft Office for Android Security Update (December 2025)
KB5002819 is a High security update for Microsoft Office for Android, released 2025-12-09. It closes 2 CVEs with a maximum CVSS of 8.4. It is the 47th largest of the 59 updates Microsoft shipped that month, by CVEs closed.
Update summary
Fixes 2 CVEs. Most severe CVSS 8.4 (High). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.
KB5002819 is a December 2025 Office security update patching two flaws (CVE-2025-62554 and CVE-2025-62557), with the more serious rated High at CVSS 8.4. What stands out is the unusual product spread: it covers Office LTSC 2024 and Office 2019 for 64-bit editions plus Office for Android, so both Windows desktop and Android mobile deployments need attention. Exploitation risk is currently low with 0% EPSS and no CISA KEV or ransomware association, but the CVSS 8.4 score means a working exploit would be impactful.
Do this: Deploy KB5002819 to your 64-bit Office LTSC 2024 and Office 2019 installs and push the corresponding Office for Android update through your mobile management channel.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5002819
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5002819
- Released
- 2025-12-09
- Last changed
- 2026-07-08
- 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 KB5002819 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-2025-62554 | High | 8.4 | <1% | No |
| CVE-2025-62557 | High | 8.4 | <1% | No |
Scope and sources
- Affected products
- Also released in December 2025
KB5066586
98 CVEs · Critical · exploitedKB5066780
114 CVEs · Critical · exploitedKB5066782
103 CVEs · Critical · exploitedKB5066791
98 CVEs · Critical · exploitedKB5066793
108 CVEs · Critical · exploitedKB5066835
134 CVEs · Critical · exploitedKB5068779
32 CVEs · Critical · exploitedKB5068781
33 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.