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Windows hardening guidance and key dates

Timelines and exceptions · All guidance changes

Windows · Official Microsoft guidance

No content change seen yet. Watched since 12 Oct 19:19 UTC, last read 19 Oct 23:40 UTC, next check today 23:40 UTC.

Read the Microsoft source · Link to this observation · My radar

Timeline

From the capture of 12 Oct 19:19 UTC
Published timing needs confirmation January 2026 most recent · 8 months ago
  • 12 dates
  • 2 undated sections
  • 5 with conditions
  1. Enforcedon or after 11 Jul 2023 Published timing is qualified; effectiveness is not confirmed.
  2. Audit / monitorno sooner than 9 Apr 2024 Published timing is qualified; effectiveness is not confirmed.
  3. Enforced by defaultin or after January 2025 Published timing is qualified; effectiveness is not confirmed.
  4. Retired / removedin or after April 2025 Published timing is qualified; effectiveness is not confirmed.
  5. Audit / monitor8 Apr 2025 Now: Events or warnings only; nothing is blocked
  6. Enforced by defaultin or after July 2025 Published timing is qualified; effectiveness is not confirmed.
  7. Enforcedin or after October 2025 Published timing is qualified; effectiveness is not confirmed.
  8. Enforcednot begin before January 2026 Published timing is qualified; effectiveness is not confirmed.
  1. 3 years agoon or after
  2. 3 years agoon or afterEnforced · unconfirmed
  3. 2 years agomonth window
  4. 2 years ago
  5. 2 years agono sooner thanAudit / monitor · unconfirmed
  6. 20 months agomonth windowin or afterEnforced by default · unconfirmed
  7. 20 months ago
    • Latest Windows hardening guidance and key datesMilestoneRequirement
      Change date: February 19, 2025; Description: Revised the Introduction section wording. Removed the "Hardening changes at a glance" section as the information is out-of-date. Added…
  8. 17 months agomonth windowin or afterupdate release · Patch Tuesday 8 Apr 2025Retired / removed · unconfirmed
  9. 18 months agoAudit / monitor
  10. 14 months agomonth windowin or afterEnforced by default · unconfirmed
  11. 11 months agomonth windowin or afterEnforced · unconfirmed
  12. 8 months agomonth windownot begin beforeEnforced · unconfirmed

Settings and overrides named on this page

Registry values, policies and cmdlets the source mentions, with the dated steps that name them. Read the source for the values to set.

Requirements, exceptions and scope

Extracted automatically from Microsoft's wording. Confirm dates, conditions and whether they apply to you in the source before acting; a month or quarter is a window, not a day.

Observed history and review priority

Captured 12 Oct 19:19 UTC; extracted 16 Oct 16:10 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c.

Review priority. Extracted assertions require review · Applicability or exceptions require review

0 date changes and 0 condition changes across 0 compared revisions. Suggested check interval: 24 hours.

Earlier unavailable versions and edits between checks are unknown. A missing statement requires review; it does not mean the policy was cancelled. Recovered historical statements are not original revision snapshots.

No related evidence found in this installation's recent collection. This does not establish that no announcement exists.

What changed

First observed 18 Oct 2026

No field changes in the recorded history.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.

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 20 Oct 21:54 UTC · 257 of 260 readable · 255 fully read · documentation 416/439 current

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