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Some sources, documents or advisories need attention: 274/275 feeds/APIs · 469/469 docs · 8/9 advisories · checked 01:18 UTC Customize Public modeDiscuss ChangeIntel on Discord
Tuesday 8 September 2026

September 2026: is it safe to deploy?

What Microsoft fixed, how urgent it is, and whether anything broke, per Windows version, from Microsoft's release tables, release health, MSRC, CISA, and what the community reports.

← Aug 2026Oct 2026 →
Superseded

Newer updates replace September 2026.

Microsoft fixed 998 CVEs, 132 critical and 2 exploited; no open known issues found in the current public evidence; out-of-band fixes followed on 14 Sep. See November 2026 Patch Tuesday.

26 of these CVEs were added after 8 Sep 2026; the release-day timeline keeps the original publication dates.

ChangeIntel's reading of public signals, not advice; check Microsoft's guidance and test before you deploy. Terms

Microsoft CVEs
998
Critical
132
Exploited fixed
2
In CISA KEV
2
Open known issues
0
Out-of-band
8

Exploited and disclosed

All 998 CVEs
CVE-2026-81963ImportantExploitedCISA KEV · due 22 SepEoPLocal
Windows Update Stack Elevation of Privilege Vulnerability
KB5122871KB5122880+2

Most affected components

Windows Biometric Service 64
SQL Server 61
Microsoft Office Word 36
Windows DHCP Server 36
Microsoft Office Excel 32
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 01:18 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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