[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1mZPvn8PBUzqkaZmOlHPcEwni9mpNq0OUuNlcm3OTQA":3},{"article":4,"iocs":38,"watch_terms":39,"solutions":40,"lesson":74},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":25,"category":26,"article_tags":30},"28cee5b0-d81f-44c1-a718-9d6f665db3f6","Microsoft: October Windows update may break Smart App Control","microsoft-october-windows-update-may-break-smart-app-control-2afcc8","Microsoft says some users may have trouble turning on Smart App Control after installing this month's KB5127648 Windows 11 security update. [...]","Microsoft has acknowledged that its October 2026 Windows 11 security update, KB5127648, may prevent users from enabling the Smart App Control feature on affected devices running version 24H2 and later. The issue causes the Smart App Control option to be grayed out. While a fix is not yet available, Microsoft has provided temporary workarounds for IT administrators involving registry modifications or group policy configurations.","Microsoft update KB5127648 may prevent Windows 11 users from enabling Smart App Control.","https:\u002F\u002Fwww.bleepingcomputer.com\u002Fnews\u002Fmicrosoft\u002Fkb5127648-windows-security-update-may-break-smart-app-control\u002F","https:\u002F\u002Fwww.bleepstatic.com\u002Fcontent\u002Fhl-images\u002F2026\u002F04\u002F01\u002FWindows_11.jpg","2026-10-16T08:44:22+00:00","2026-10-16T10:00:15.604609+00:00",7,[17,20,22],{"name":18,"type":19},"Smart App Control","product",{"name":21,"type":19},"Windows 11",{"name":23,"type":24},"Microsoft","vendor","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":25,"icon":27,"name":28,"slug":29},null,"Vulnerabilities","vulnerabilities",[31,36],{"category":32},{"id":33,"icon":27,"name":34,"slug":35},"02371804-cf6d-4449-98de-f1a2d4d9b266","Tools","tools",{"category":37},{"id":25,"icon":27,"name":28,"slug":29},[],[23,18,21],{"controls":41,"vendors":70},[42],{"slug":43,"name":44,"problem":45,"products":46},"patch-management","Automated patch management","Known holes get closed in days, not months.",[47,54,62],{"vendor_slug":48,"vendor_name":23,"vendor_logo":49,"product_slug":50,"product_name":51,"url":52,"description":53},"microsoft","\u002Fvendor-logos\u002Fmicrosoft.png","intune","Microsoft Intune","https:\u002F\u002Fwww.microsoft.com\u002Fen-us\u002Fsecurity\u002Fbusiness\u002Fmicrosoft-intune","Device management for Windows, macOS, iOS and Android, including update rings and compliance policies.",{"vendor_slug":55,"vendor_name":56,"vendor_logo":57,"product_slug":58,"product_name":59,"url":60,"description":61},"action1","Action1","\u002Fvendor-logos\u002Faction1.png","action1-patch-management","Action1 Patch Management","https:\u002F\u002Fwww.action1.com\u002F","Cloud-native patch management for Windows, macOS and third-party applications.",{"vendor_slug":63,"vendor_name":64,"vendor_logo":65,"product_slug":66,"product_name":67,"url":68,"description":69},"ninjaone","NinjaOne","\u002Fvendor-logos\u002Fninjaone.png","ninjaone-patch-management","NinjaOne Patch Management","https:\u002F\u002Fwww.ninjaone.com\u002Fpatch-management\u002F","Automated patching of operating systems and third-party applications from the cloud.",[71],{"slug":48,"name":23,"logo_path":49,"roles":72},[73],"affected",{"slug":75,"title":76,"body":77,"framework_refs":78,"framework_notes":87},"windows-security-update-breaks-smart-app-control-feature","Windows Security Update Breaks Smart App Control Feature","Microsoft's October 2026 cumulative update (KB5127648) introduced a regression that disables the Smart App Control security feature on Windows 11 24H2 devices, leaving the option grayed out and inaccessible. This matters because Smart App Control is a key defense-in-depth mechanism that blocks untrusted and potentially malicious applications from running. The absence of a ready fix forces administrators to rely on manual registry edits or group policy workarounds, increasing operational complexity and risk of misconfiguration. This incident highlights the inherent tension between applying timely security patches and maintaining a stable, fully functional security posture — both of which are critical obligations for IT teams.",[79,80,81,82,83,84,85,86],"CIS Control 2: Inventory and Control of Software Assets","CIS Control 7: Continuous Vulnerability Management","NIST SP 800-40 Rev. 4: Guide to Enterprise Patch Management Planning","NIST CM-3: Configuration Change Control","NIST SI-2: Flaw Remediation","ITIL Change Enablement (Change Management) Practice","ITIL Problem Management Practice","NIST SP 800-53 SA-10: Developer Configuration Management",{}]