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Recorded 23 Oct 2026 at 08:31 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Windows updateMicrosoft release information, MSRC and Windows release health

KB5121611

Security update fixing 8 collected CVEs.

What it said

KB
KB5121611
Windows versions and builds
Not in the collected release tables
Applies to
Microsoft Exchange Server 2016 Cumulative Update 23
Restart required
Yes
CVEs fixed
CVE-2026-69356, CVE-2026-69641, CVE-2026-69355, CVE-2026-69380, CVE-2026-69378, CVE-2026-69361, CVE-2026-69375, CVE-2026-69382
Known issues caused
Unknown: known-issue evidence is incomplete or retained
Known issues resolved
Unknown: known-issue evidence is incomplete or retained
Included security update
None identified in the collected release tables
CVEs listed directly for this KB
CVE-2026-69356, CVE-2026-69641, CVE-2026-69355, CVE-2026-69380, CVE-2026-69378, CVE-2026-69361, CVE-2026-69375, CVE-2026-69382
Missing security release
Unknown: security evidence is incomplete or retained

Source evidence when recorded

Microsoft security releases
IncompleteRead 23 Oct 2026 at 08:14 UTC
Windows known issues
IncompleteRead 23 Oct 2026 at 08:14 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

What changed

  1. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (7)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 23 Oct 2026 · 08:31:50 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  2. 23 Oct 2026 · 08:31:50 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  3. 23 Oct 2026 · 08:31:50 UTC Known issues causedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  4. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  5. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  6. 14 Oct 2026 · 11:22:42 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  7. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current
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 11 Nov 04:44 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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