Windows Update Knowledge

Find which update contains a specific file, explore package contents, and trace update chains across Windows builds.

117
Updates indexed
11,909
Packages cataloged
374,229
MSU files tracked
35,213
Component files (target)

Build Lines

Publishing Activity (last 30 days)

30d ago today: 0

Updates by Type

windows-update
88
cumulative-update
14
dotnet-update
13
security-update
1
servicing-stack-update
1

Component Families

Microsoft-Windows-*
159
NetFx*
219
WPF*
25
Other
430

Recent Updates

KBTypeIndexed
KB5011058 windows-update 2026-04-16 17:49:32
KB5011068 windows-update 2026-04-16 13:39:06
KB5071844 cumulative-update 2026-04-16 12:19:10
KB5070186 cumulative-update 2026-04-16 12:18:24
KB5064081 windows-update 2026-04-16 12:17:44
KB5062552 windows-update 2026-04-16 12:15:55
KB5060999 windows-update 2026-04-16 12:15:05
KB5058405 windows-update 2026-04-16 12:14:10
KB5055528 windows-update 2026-04-16 12:13:21
KB5040435 windows-update 2026-04-16 12:12:35

Got a CBS.log "missing payload" or "hash mismatch"?

Paste the affected log into our diagnostic tool — every detected issue is mapped to its source update with the expected SHA‑256.

Open Diagnose → Compare two KBs