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KB5089573DOptional non-security preview · 2026-05 D

Optional non-security preview for Windows 11, version 25H2 and Windows 11, version 24H2

Support article Update Catalog CVEs in Security CVE list for a ticket

Is it safe to deploy?

Everything in the May 2026 Patch Tuesday cycle
2Windows versions
0CVEs fixed · 0 critical
0Exploited or in CISA KEV
0Open known issues affecting it
—Restart required (per MSRC)

Applies to

From Microsoft's release-information tables
Servicing branchOS buildReleaseAvailable
Windows 11, version 25H2 26200.8524 D 2026-05 D 26 May 2026
Windows 11, version 24H2 26100.8524 D 2026-05 D 26 May 2026

Known issues in this update

Windows release health

No known issues listed

Windows release health lists no issues from this KB or the update it builds on.

Issues this update resolves

No resolved issues listed

Windows release health names no issues fixed by this KB.

Security fixes

0 Microsoft CVEs · most urgent first

No CVE fixes listed

MSRC lists no CVEs for this KB in the collected releases; preview (D) and out-of-band updates often carry no new security fixes.

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