Frågor för tabellen Update

2025-04-14

Information om hur du använder dessa frågor i Azure Portal finns i Log Analytics-självstudien. Information om REST-API:et finns i Fråga.

Säkerhetsuppdateringar saknas eller viktiga uppdateringar saknas

Räkna hur många säkerhetsuppdateringar eller andra kritiska uppdateringar som saknas.

// To create an alert for this query, click '+ New alert rule'
Update
| where Classification in ("Security Updates", "Critical Updates")
| where UpdateState == 'Needed' and Optional == false and Approved == true
| summarize count() by Classification, Computer, _ResourceId
// This query requires the Security or Update solutions

Tillgängliga uppdateringar för Windows-datorer

Visa en lista över de Windows-uppdaterings-KBID:er som är tillgängliga efter deras klassificering och för varje dator.

// To create an alert for this query, click '+ New alert rule'
Update
| where TimeGenerated>ago(14h) 
| where UpdateState =~ "Needed" and OSType != "Linux" 
| summarize by Computer, Classification, Product, KBID, ResourceId

Tillgängliga uppdateringar för Linux-datorer

Visa en lista över uppdateringar av Linux-paketversionen som är tillgängliga efter deras klassificering och för varje dator.

// To create an alert for this query, click '+ New alert rule'
Update
| where TimeGenerated>ago(14h) 
| where UpdateState =~ "Needed" and OSType == "Linux" 
| summarize by Computer, Classification, Product, ProductVersion, ResourceId

Sammanfattning av saknade uppdateringar

Få en sammanfattning av saknade uppdateringar efter kategori.

Update
| where TimeGenerated>ago(5h) and OSType=="Linux" and SourceComputerId in ((Heartbeat
| where TimeGenerated>ago(12h) and OSType=="Linux" and notempty(Computer)
| summarize arg_max(TimeGenerated, Solutions) by SourceComputerId
| where Solutions has "updates"
| distinct SourceComputerId))
| summarize hint.strategy=partitioned arg_max(TimeGenerated, UpdateState, Classification) by Computer, SourceComputerId, Product, ProductArch
| where UpdateState=~"Needed"
| summarize by Product, ProductArch, Classification
| union (Update
| where TimeGenerated>ago(14h) and OSType!="Linux" and (Optional==false or Classification has "Critical" or Classification has "Security") and SourceComputerId in ((Heartbeat
| where TimeGenerated>ago(12h) and OSType=~"Windows" and notempty(Computer)
| summarize arg_max(TimeGenerated, Solutions) by SourceComputerId
| where Solutions has "updates"
| distinct SourceComputerId))
| summarize hint.strategy=partitioned arg_max(TimeGenerated, UpdateState, Classification, Approved) by Computer, SourceComputerId, UpdateID
| where UpdateState=~"Needed" and Approved!=false
| summarize by UpdateID, Classification )
| summarize allUpdatesCount=count(), criticalUpdatesCount=countif(Classification has "Critical"), securityUpdatesCount=countif(Classification has "Security"), otherUpdatesCount=countif(Classification !has "Critical" and Classification !has "Security")

Uppdateringslista saknas

Hämta en lista över alla uppdateringar som saknas.

Update
| where TimeGenerated>ago(5h) and OSType=="Linux" and SourceComputerId in ((Heartbeat
| where TimeGenerated>ago(12h) and OSType=="Linux" and notempty(Computer)
| summarize arg_max(TimeGenerated, Solutions) by SourceComputerId
| where Solutions has "updates"
| distinct SourceComputerId))
| summarize hint.strategy=partitioned arg_max(TimeGenerated, UpdateState, Classification, BulletinUrl, BulletinID) by SourceComputerId, Product, ProductArch
| where UpdateState=~"Needed"
| project-away UpdateState, TimeGenerated
| summarize computersCount=dcount(SourceComputerId, 2), ClassificationWeight=max(iff(Classification has "Critical", 4, iff(Classification has "Security", 2, 1))) by id=strcat(Product, "_", ProductArch), displayName=Product, productArch=ProductArch, classification=Classification, InformationId=BulletinID, InformationUrl=tostring(split(BulletinUrl, ";", 0)[0]), osType=1
| union(Update
| where TimeGenerated>ago(14h) and OSType!="Linux" and (Optional==false or Classification has "Critical" or Classification has "Security") and SourceComputerId in ((Heartbeat
| where TimeGenerated>ago(12h) and OSType=~"Windows" and notempty(Computer)
| summarize arg_max(TimeGenerated, Solutions) by SourceComputerId
| where Solutions has "updates"
| distinct SourceComputerId))
| summarize hint.strategy=partitioned arg_max(TimeGenerated, UpdateState, Classification, Title, KBID, PublishedDate, Approved) by Computer, SourceComputerId, UpdateID
| where UpdateState=~"Needed" and Approved!=false
| project-away UpdateState, Approved, TimeGenerated
| summarize computersCount=dcount(SourceComputerId, 2), displayName=any(Title), publishedDate=min(PublishedDate), ClassificationWeight=max(iff(Classification has "Critical", 4, iff(Classification has "Security", 2, 1))) by id=strcat(UpdateID, "_", KBID), classification=Classification, InformationId=strcat("KB", KBID), InformationUrl=iff(isnotempty(KBID), strcat("https://support.microsoft.com/kb/", KBID), ""), osType=2)
| sort by ClassificationWeight desc, computersCount desc, displayName asc
| extend informationLink=(iff(isnotempty(InformationId) and isnotempty(InformationUrl), toobject(strcat('{ "uri": "', InformationUrl, '", "text": "', InformationId, '", "target": "blank" }')), toobject('')))
| project-away ClassificationWeight, InformationId, InformationUrl

Dator med saknade uppdateringar

Alla datorer med saknade uppdateringar.

// To create an alert for this query, click '+ New alert rule'
Update
|where OSType != "Linux" and UpdateState == "Needed" and Optional == "false" 
| project TimeGenerated, Computer, Title, KBID, Classification, MSRCSeverity, PublishedDate, _ResourceId
| sort by TimeGenerated desc

Nödvändiga uppdateringar saknas för servern

Uppdateringar saknas för en specifik dator "ComputerName" (ersätt med ditt eget datornamn).

// To create an alert for this query, click '+ New alert rule'
let ComputerName = "Enter your computer name here";
Update
|where OSType != "Linux" and UpdateState == "Needed" and Optional == "false" and Computer == ComputerName
| project TimeGenerated, Computer, Title, KBID, Product, MSRCSeverity, PublishedDate, _ResourceId
| sort by TimeGenerated desc

Viktiga säkerhetsuppdateringar saknas

Alla datorer som saknar viktiga uppdateringar eller säkerhetsuppdateringar.

// To create an alert for this query, click '+ New alert rule'
Update
|where  OSType != "Linux" and UpdateState == "Needed" and Optional == "false" and (Classification == "Security Updates" or Classification == "Critical Updates") 
| sort by TimeGenerated desc

Säkerhet saknas eller är kritisk där uppdateringen är manuell

Kritiska uppdateringar eller säkerhetsuppdateringar som krävs av datorer där uppdateringar tillämpas manuellt.

// To create an alert for this query, click '+ New alert rule'
Update
| where OSType != "Linux" and UpdateState == "Needed" and Optional == "false"
 |where (Classification == "Security Updates" or Classification == "Critical Updates")
| join kind=inner (UpdateSummary |where WindowsUpdateSetting == "Manual" |distinct Computer) on Computer 
| distinct KBID, Computer, _ResourceId

Saknade samlade uppdateringar

Alla datorer med saknade samlade uppdateringar.

// To create an alert for this query, click '+ New alert rule'
Update
| where OSType != "Linux" and Optional == "false" and Classification == "Update Rollups" and UpdateState == "Needed" 
| project TimeGenerated, Computer, Title, KBID, Classification, MSRCSeverity, PublishedDate, _ResourceId
| sort by TimeGenerated desc

Distinkta uppdateringar som saknas mellan datorer

Distinkta uppdateringar som saknas på alla datorer.

// To create an alert for this query, click '+ New alert rule'
Update
| where OSType != "Linux" and UpdateState == "Needed" and Optional == "false" 
| distinct Title, Computer, _ResourceId

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