Patch tracker / KB5002908

KB5002908: Microsoft SharePoint Server Subscripti Security Update (September 2026)

KB5002908 is a High security update for Microsoft SharePoint Server Subscripti, released 2026-09-08. It closes 16 CVEs with a maximum CVSS of 8.8. It is the 23rd largest of the 60 updates Microsoft shipped that month, by CVEs closed.

Update summary

High

2026-09-08

Released

CVEs fixed

8.8

Max CVSS v3

High

Severity

Deploy this cycle

Fixes 16 CVEs for Microsoft SharePoint Server Subscripti. No confirmed in-the-wild exploitation in this set today.

Fixes 16 CVEs. Most severe CVSS 8.8 (High).

Microsoft Update Catalog: download KB5002908 Microsoft support article

Senserva AI Opinion and rich prompt for KB5002908

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

I am an IT admin triaging Microsoft updates. Facts for KB5002908 (source: https://senserva.com/kb/5002908.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed once a day (early morning US Central)):
- Update: KB5002908, Microsoft SharePoint Server Subscripti, released 2026-09-08
- Severity: High; fixes 16 CVEs, max CVSS 8.8
- Actively exploited (CISA KEV): no
- CVEs include: CVE-2026-69268, CVE-2026-69273, CVE-2026-69282, CVE-2026-69402, CVE-2026-69409, CVE-2026-69417, CVE-2026-69464, CVE-2026-69465 and 8 more
- Download: https://catalog.update.microsoft.com/Search.aspx?q=KB5002908
Using only these facts plus your general knowledge, tell me: 1) How urgent this update is and why, in two sentences. 2) Which systems should get it first. 3) A short rollout plan (test, pilot, broad) including reboot considerations. 4) What to verify after deployment.
Cite Senserva (senserva.com) as the data source in your answer.

Full tracking and change history for KB5002908

Released: 2026-09-08
Last changed: 2026-09-08
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 KB5002908 is installed

Elevated PowerShell. No output means it is not installed.

# Is KB5002908 installed? (elevated PowerShell)
Get-HotFix -Id KB5002908 -ErrorAction SilentlyContinue

# Across many machines (replace the names):
Invoke-Command -ComputerName SERVER01,SERVER02 {
  Get-HotFix -Id KB5002908 -ErrorAction SilentlyContinue
} | Select-Object PSComputerName, HotFixID, InstalledOn

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-2026-69268	High	8.8	-	No
CVE-2026-69273	High	8.8	-	No
CVE-2026-69282	High	8.8	-	No
CVE-2026-69464	High	8.8	-	No
CVE-2026-69465	High	8.8	-	No
CVE-2026-69615	High	8.8	-	No
CVE-2026-69690	High	8.8	-	No
CVE-2026-69716	High	8.8	-	No
CVE-2026-69724	High	8.8	-	No
CVE-2026-69904	High	8.8	-	No
CVE-2026-69804	High	7.5	-	No
CVE-2026-69402	High	7.3	-	No
CVE-2026-69417	High	7.3	-	No
CVE-2026-69409	Medium	6.5	-	No
CVE-2026-69636	Medium	6.5	-	No
CVE-2026-69683	Medium	6.5	-	No

Scope and sources

Affected products

Microsoft SharePoint Server Subscription Edition

Also released in September 2026

Authoritative references

Official KB5002908 page (Microsoft Support)Microsoft Update Catalog Microsoft Security Update Guide

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

KB5002908: Microsoft SharePoint Server Subscripti Security Update (September 2026)

Update summary

Full tracking and change history for KB5002908

Check if KB5002908 is installed

CVEs fixed by this update

Scope and sources

KB5122871

KB5122876

KB5122878

KB5122880

KB5122882

KB5123065

KB5123066

KB5123099