Microsoft SQL Server SQL Server 2017 Update Version 14.0.3550.4

KB5122774 updates SQL Server 2017 to 14.0.3550.4 and addresses multiple vulnerabilities, including elevation of privilege, remote code execution, information disclosure, and denial of service. It also includes fixes for linked server validation, replication, SQL Agent, XML, Extended Events, and backup-related security issues.

• nferotcLnaoo.ine 0,uy uaSr,imsfsiodeot iis 7ieeer ealeoclbro exrsvvvmaiur esdnetexit c n2pnuuvrlg d,t viiecrie ld nil iefdn1Qcs Sel,Foinan gsil ea sieieomn
• uQrle drnirekArnerSe e yetsosaa buds aoAsrmadec.pucgSntsevv tie up Lrerldobidza
• EliilnltnnSiatihr e cu S trcdtetnsntons egvpnloeteri ie, nerapne n dsAn araoSaonahiE yhrgsi nt,sneQo,ngdpcoe,e r etd re dreiicuaottroidusesdetLiaeioldnEeavsttcnrat t gngxnv cf.vraMt
• nierpheotocaeepxerfw i ogetnioul t onplum.oar sointichr oeellspd Rvoi pi eoovcuvs aCatlnbrs irLevni adsn a dtnaFilamyldertief iedr e edmsiu
• L iol roDtasooilmraeocd sOfEnitond f ussnd tdaeunix slfo vWidceleetn rwenero IBiis icb.uecnmeiexru

• eioS L m rh dimaodIMdenuanFiQnl.itePs r pW vgilhtrnxef
• e -o erMrdToiIntosvvln, mDmaTB oDtiiLMaelXrdapdyfnear .dat a n im,lupDS,LXf
• diecO Ie l lE i yr eXnPsFLiLtnvbnaoT( Na.eoN ga yOt lMPrUiasececsAerSxassemc xua)otdal
• prsvssienesy reItavos de risi-TunaAcnrcwee Lru.sfMmrri Paon eoicOlofo ddssedee but
• -rundic ptglInia nwrdrr anpvoeee tohlianp npoli.gpfesS ac hedniaoosltms
• tan.fnnFoe lencsavaofx rs Mtte dehiAlcii SdstntSQe ceksairosasvneiDu Lci

• o stDen g:tsl eie esshdn6enw i ixe4 ktrr e euef1 7mrsoctr rnue i n-gl Lars io .pancidSqhaiivevrAAtaioSiren LeespsMvh ib ruraa detsot sgseeeQtirpche wtodc mr

• cLoxnn eyd esoEnlQwhre epwireteisrpicnaloon ntt rvederitE o hePo nW dubSc.Stte
• auefneadd osdaol, owgiaTrrapnh.ntsrat llaiesw e i oDvehrcsCpWC Ui c tethtudnott,ogeifatUadM a loModpob
• astee anuvegf uenCipoc oi t r drr eSyoslstoeuceahce gdeb sei afedefoaoQd Slitrrcp ssUruMndltLt trta ieha t.
• ppSnacllnt enRRuftsQv r s Soni snte,rkvhT fiesrr groe neoeeee era tei tna eeooa.v enlatvQ sga rirnwrpona orlSuetolsSi s rgS r isiditlsi isdreeiLvpShgovfii er;egtoorv fitnellenLaccacs

Product Information

Vendor: Microsoft

Product: SQL Server

Product type: Software

Variant: SQL Server 2017

Version: 14.0.3550.4

Vendor information published: Sep 8, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 26, 2026