Patch tracker / KB5065474

KB5065474: Windows Server 2022 Security Update (October 2025)

KB5065474 is a High security update for Windows Server 2022, released 2025-10-14. It closes 64 CVEs with a maximum CVSS of 8.8. The most likely of them to be attacked is CVE-2025-21293, which FIRST.org rates at 81% probability of exploitation in the next 30 days.

Update summary

High
2025-10-14
Released
64
CVEs fixed
8.8
Max CVSS
High
Severity
Deploy this cycle
Fixes 64 CVEs for Windows Server 2022. No confirmed in-the-wild exploitation in this set today.

Fixes 64 CVEs. Most severe CVSS 8.8 (High). EPSS exploit probability up to 20%. Among the top half of tracked Microsoft updates by EPSS exploit probability.

Senserva found thiswe track every release for this product line, so we can tell you this package is behind

A newer security update for Windows Server 2022 has shipped since this one: KB5073695 (2026-01-13). For cumulative update families the newer package includes these fixes, so installing that one is usually the shorter path. Verify against your own update rings before you skip this package.

Microsoft Update Catalog: download KB5065474Microsoft support article
Senserva AI Opinion for KB5065474

KB5065474 is the October 14, 2025 rollup for Windows Server 2022 (including Server Core) and Windows 10 version 21H2 32-bit, and it closes 64 CVEs in a single update. The top issue rates High severity at CVSS 8.8 with a 19% EPSS score, so exploitation is plausible even though none of these CVEs are in the CISA KEV catalog or tied to ransomware yet. The unusual part is the sheer breadth: 64 fixes landing at once across both server and legacy 32-bit desktop fleets means a wide patch surface to validate.

Do this: Deploy KB5065474 to your Windows Server 2022 and Windows 10 21H2 32-bit systems this cycle, prioritizing internet-facing and Server Core hosts.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for KB5065474

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

Full tracking and change history for KB5065474

Released
2025-10-14
Last changed
2026-08-10
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 KB5065474 is installed

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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.

CVESeverityCVSSEPSSExploited
CVE-2025-21293High8.881%No
CVE-2025-54106High8.820%No
CVE-2025-54107High8.820%No
CVE-2025-54110High8.820%No
CVE-2025-54113High8.820%No
CVE-2025-54917High8.820%No
CVE-2025-54918High8.820%No
CVE-2025-55234High8.820%No
CVE-2025-53800High7.820%No
CVE-2025-54091High7.820%No
CVE-2025-54092High7.820%No
CVE-2025-54098High7.820%No
CVE-2025-54102High7.820%No
CVE-2025-54111High7.820%No
CVE-2025-54894High7.820%No
CVE-2025-54895High7.820%No
CVE-2025-54912High7.820%No
CVE-2025-54913High7.820%No
CVE-2025-54916High7.820%No
CVE-2025-55224High7.820%No
CVE-2025-55228High7.820%No
CVE-2025-59290High7.820%No
CVE-2025-53805High7.520%No
CVE-2025-54919High7.520%No
CVE-2025-59502High7.520%No
CVE-2025-54103High7.420%No
CVE-2025-54116High7.320%No
CVE-2025-54911High7.320%No
CVE-2025-55236High7.320%No
CVE-2025-49734High7.020%No
CVE-2025-53802High7.020%No
CVE-2025-53807High7.020%No
CVE-2025-54093High7.020%No
CVE-2025-54099High7.020%No
CVE-2025-54105High7.020%No
CVE-2025-54108High7.020%No
CVE-2025-54112High7.020%No
CVE-2025-54114High7.020%No
CVE-2025-54115High7.020%No
CVE-2025-55223High7.020%No
CVE-2025-59215High7.020%No
CVE-2025-59216High7.020%No
CVE-2025-59220High7.020%No
CVE-2025-59289High7.020%No
CVE-2025-48807Medium6.720%No
CVE-2025-53808Medium6.720%No
CVE-2025-53810Medium6.720%No
CVE-2025-54094Medium6.720%No
CVE-2025-54104Medium6.720%No
CVE-2025-54109Medium6.720%No
CVE-2025-54915Medium6.720%No
CVE-2025-55226Medium6.720%No
CVE-2025-53796Medium6.520%No
CVE-2025-53797Medium6.520%No
CVE-2025-53798Medium6.520%No
CVE-2025-53806Medium6.520%No
CVE-2025-53809Medium6.520%No
CVE-2025-54095Medium6.520%No
CVE-2025-54096Medium6.520%No
CVE-2025-54097Medium6.520%No
CVE-2025-55225Medium6.520%No
CVE-2025-53799Medium5.520%No
CVE-2025-53803Medium5.520%No
CVE-2025-53804Medium5.520%No

Scope and sources

Affected products
Also released in October 2025

KB5070879

1 CVE · Critical · exploited

KB5070881

1 CVE · Critical · exploited

KB5070882

1 CVE · Critical · exploited

KB5070883

1 CVE · Critical · exploited

KB5070884

1 CVE · Critical · exploited

KB5070886

1 CVE · Critical · exploited

KB5070887

1 CVE · Critical · exploited

KB5070892

1 CVE · Critical · exploited

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5065474 page (Microsoft Support)Microsoft Update CatalogMicrosoft Security Update Guide

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

New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
Provided as is, without warranty; verify against the vendor advisory before acting. Data notice and terms.