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patches\u003C/a>\u003C/strong>\u003C/p>",[474,475],{"id":286,"title":287},{"id":283,"title":284},{"id":477,"title":478,"description":479,"plans":480},"MJlLPyxqTcy9ys2UaZYNKQ","Windows 10 v1909 patches","\u003Cp>Windows 10 1909 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Windows+10\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Windows 10 patches\u003C/a>\u003C/strong>\u003C/p>",[481,482],{"id":283,"title":284},{"id":286,"title":287},{"id":484,"title":485,"description":486,"plans":487},"GscjCa1TQOe5p5Or7g2qyw","Windows 10 v1809 patches","\u003Cp>Windows 10 1809 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Windows+10\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Windows 10 patches\u003C/a>\u003C/strong>\u003C/p>",[488,489],{"id":283,"title":284},{"id":286,"title":287},{"id":491,"title":492,"description":493,"plans":494},"OeQ8xMmJTmadIiPcKYkhvw","Windows 10 v1803 patches","\u003Cp>Windows 10 1803 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Windows+10\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Windows 10 patches\u003C/a>\u003C/strong>\u003C/p>",[495,496],{"id":283,"title":284},{"id":286,"title":287},{"id":498,"title":499,"description":500,"plans":501},"Obe8z8snRYGoLT6BZyzhZw","Windows 7 post-EOS and post-ESU patches","\u003Cp>Windows 7 post-end-of-support patches, for computers without Extended Security Updates (ESU), or computers with any full year of ESU updates installed\u003C/p>",[502,503],{"id":283,"title":284},{"id":286,"title":287},"Windows Patches","DXze3dvpTu-HF132vKjSug","microsoft-windows-xp",{"alt":508,"url":509,"width":510,"height":510,"responsiveImage":511},"Windows 11 logo","https://www.datocms-assets.com/166020/1764600963-win11.png",300,{"srcSet":512,"webpSrcSet":513,"sizes":514,"src":515,"width":516,"height":516,"aspectRatio":210,"alt":508,"title":18,"bgColor":517,"base64":518},"https://www.datocms-assets.com/166020/1764600963-win11.png?auto=compress&crop=focalpoint&fit=crop&h=40 40w,https://www.datocms-assets.com/166020/1764600963-win11.png?auto=compress&crop=focalpoint&dpr=1.5&fit=crop&h=40 60w,https://www.datocms-assets.com/166020/1764600963-win11.png?auto=compress&crop=focalpoint&dpr=2&fit=crop&h=40 80w,https://www.datocms-assets.com/166020/1764600963-win11.png?auto=compress&crop=focalpoint&dpr=3&fit=crop&h=40 120w,https://www.datocms-assets.com/166020/1764600963-win11.png?auto=compress&crop=focalpoint&dpr=4&fit=crop&h=40 160w","https://www.datocms-assets.com/166020/1764600963-win11.png?auto=compress&crop=focalpoint&fit=crop&fm=webp&h=40 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Server 2012 R2 post-EOS patches","\u003Cp>Windows Server 2012 R2 post-end-of-support patches, for computers without Extended Security Updates (ESU), or computers with any full year of ESU updates installed\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Windows+Server+2012+R2\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Windows Server 2012 R2 patches\u003C/a>\u003C/strong>\u003C/p>",[529,530],{"id":283,"title":284},{"id":286,"title":287},{"id":532,"title":533,"description":534,"plans":535},"ZaeezXKkT3KGln5CQ4NH9w","Windows Server 2012 post-EOS patches","\u003Cp>Windows Server 2012 post-end-of-support patches, for computers without Extended Security Updates (ESU), or computers with any full year of ESU updates installed\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Windows+Server+2012\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Windows Server 2012 patches\u003C/a>\u003C/strong>\u003C/p>",[536,537],{"id":283,"title":284},{"id":286,"title":287},{"id":539,"title":540,"description":541,"plans":542},"RYxw9xwXR3-OWnsdr8dFEg","Windows Server 2008 R2 post-EOS and post-ESU patches","\u003Cp>Windows Server 2008 R2 post-end-of-support patches, for computers without Extended Security Updates (ESU), or computers with any full year of ESU updates installed\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Windows+Server+2008+R2\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Windows Server 2008 R2 patches\u003C/a>\u003C/strong>\u003C/p>",[543,544],{"id":283,"title":284},{"id":286,"title":287},"Windows Server Patches","J7WLPCrKS7i7B8sAyJpKWg","microsoft-windows-vista",{"alt":549,"url":550,"width":551,"height":510,"responsiveImage":552},"Windows Server 2012-2022 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Office 2019 post-EOS patches","\u003Cp>Microsoft Office 2019 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Office+2019\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Microsoft Office 2019 patches\u003C/a>\u003C/strong>\u003C/p>",[570,571],{"id":283,"title":284},{"id":286,"title":287},{"id":573,"title":574,"description":575,"plans":576},"MkFk40IJQhCcXnIO2ZDd4Q","Microsoft Office 2016 post-EOS patches","\u003Cp>Microsoft Office 2016 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Office+2016\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Microsoft Office 2016 patches\u003C/a>\u003C/strong>\u003C/p>",[577,578],{"id":283,"title":284},{"id":286,"title":287},{"id":580,"title":581,"description":582,"plans":583},"FFqWfGxfQF2q0uyjyRjVWg","Microsoft Office 2013 post-EOS patches","\u003Cp>Microsoft Office 2013 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Office+2013\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Microsoft Office 2013 patches\u003C/a>\u003C/strong>\u003C/p>",[584,585],{"id":283,"title":284},{"id":286,"title":287},{"id":587,"title":588,"description":589,"plans":590},"XFYgrsOyRpeuEXk29M4z9g","Microsoft Office 2010 post-EOS patches","\u003Cp>Microsoft Office 2010 post-end-of-support patches\u003C/p>\n\u003Cp>\u003Cstrong>\u003Ca href=\"/patches?product=Office+2010\" target=\"_blank\" rel=\"noopener\">Click to see the full list of our Microsoft Office 2010 patches\u003C/a>\u003C/strong>\u003C/p>",[591,592],{"id":283,"title":284},{"id":286,"title":287},"Microsoft Office Patches","VH2unwR4RjycDA1o_6eSFw","microsoft-windows-7",{"alt":597,"url":598,"width":510,"height":510,"responsiveImage":599},"Microsoft Office 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products patches","\u003Cp>We occasionally patch other Windows products, for instance when a critical vulnerability becomes known and the vendor does not provide an official patch in a timely manner\u003C/p>",[613],{"id":283,"title":284},"Other","BrWA-hAsQYSROgTvF-1ecA","microsoft-windows-11",{"alt":618,"url":619,"width":620,"height":621,"responsiveImage":18},"Windows 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more",[688,691],{"id":689,"primary":685,"externalLink":95,"parent":18,"reference":18,"title":690,"description":40,"publishTranslation":42},"B1pEweRaRD2YBkP6aH1CfA","Help center",{"id":692,"primary":42,"externalLink":693,"parent":18,"reference":18,"title":694,"description":40,"publishTranslation":42},"Mk0Yz-yqTk2akShgf7ARNg","https://central.0patch.com/","Sign in",[696,700],{"id":697,"title":698,"url":699},"NDrk5d4kQ96J2aCuTr-gvg","0patch on X","https://twitter.com/0patch",{"id":701,"title":702,"url":703},"GqN4lYxyTMyzcmRllVY4mg","Linked In","https://linkedin.com/company/0patch",{"left":705,"top":705,"width":706,"height":706,"rotate":705,"vFlip":685,"hFlip":685,"body":707},0,24,"\u003Cg fill=\"none\">\u003Cpath d=\"M11.9999 15.0539L6.34619 9.40013L7.39994 8.34637L11.9999 12.9464L16.5999 8.34637L17.6537 9.40013L11.9999 15.0539Z\" fill=\"currentColor\"/>\u003C/g>",{"left":705,"top":705,"width":706,"height":706,"rotate":705,"vFlip":685,"hFlip":685,"body":709},"\u003Cg 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website.",{"tag":722,"attributes":733,"content":18},{"property":734,"content":731},"og:description",{"tag":722,"attributes":736,"content":18},{"name":737,"content":731},"twitter:description",{"tag":722,"attributes":739,"content":18},{"property":740,"content":741},"og:image","https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=format&fit=max&w=1200",{"tag":722,"attributes":743,"content":18},{"property":744,"content":745},"og:image:width","1200",{"tag":722,"attributes":747,"content":18},{"property":748,"content":749},"og:image:height","600",{"tag":722,"attributes":751,"content":18},{"property":752,"content":753},"og:image:alt","CVE-2022-41128",{"tag":722,"attributes":755,"content":18},{"name":756,"content":741},"twitter:image",{"tag":722,"attributes":758,"content":18},{"name":759,"content":753},"twitter:image:alt",{"tag":722,"attributes":761,"content":18},{"property":762,"content":32},"og:locale",{"tag":722,"attributes":764,"content":18},{"property":765,"content":77},"og:type",{"tag":722,"attributes":767,"content":18},{"property":768,"content":6},"og:site_name",{"tag":722,"attributes":770,"content":18},{"property":771,"content":772},"article:modified_time","2026-04-02T12:36:52Z",{"tag":722,"attributes":774,"content":18},{"property":775,"content":40},"article:publisher",{"tag":722,"attributes":777,"content":18},{"name":778,"content":779},"twitter:card","summary",{"tag":722,"attributes":781,"content":18},{"name":782,"content":783},"robots","noindex",[785],{"value":786,"locale":32},"micropatches-for-type-confusion-in",[788],{"value":42,"locale":32},"2022-12-19T18:45:00+01:00","Mitja Kolsek","GvgZijDlRou57afk-sKudw",{"blocks":793,"links":794,"value":795},[],[],{"schema":796,"document":797},"dast",{"type":798,"children":799},"root",[800,817,855,867,877,881,929,941,960,977],{"type":801,"children":802},"paragraph",[803,806,815],{"type":804,"value":805},"span","With November 2022 Windows Updates, Microsoft fixed a vulnerability in Internet Explorer's JScript9 engine that was found being ",{"url":807,"meta":808,"type":12,"children":812},"https://blog.google/threat-analysis-group/internet-explorer-0-day-exploited-by-north-korean-actor-apt37/",[809],{"id":810,"value":811},"target","_blank",[813],{"type":804,"value":814},"exploited by North Korean government-backed actors known as APT37",{"type":804,"value":816},". The vulnerability is of a \"type confusion\" sort, which means that malicious JavaScript code can confuse the JavaScript engine into thinking that a certain object is of one type (in our case, Int32Array) while it's actually of another type (in our case, Object) - and that quickly leads to reading or writing memory addresses that were not supposed to be available to said code. From that point on, arbitrary code execution can be achieved.",{"type":801,"children":818},[819,826,828,835,837,844,846,853],{"url":820,"meta":821,"type":12,"children":823},"https://mobile.twitter.com/benoitsevens",[822],{"id":810,"value":811},[824],{"type":804,"value":825},"Benoît Sevens",{"type":804,"value":827}," and ",{"url":829,"meta":830,"type":12,"children":832},"https://twitter.com/_clem1",[831],{"id":810,"value":811},[833],{"type":804,"value":834},"Clément Lecigne",{"type":804,"value":836}," of Google's Threat Analysis Group (TAG) have written ",{"url":838,"meta":839,"type":12,"children":841},"https://googleprojectzero.github.io/0days-in-the-wild/0day-RCAs/2022/CVE-2022-41128.html",[840],{"id":810,"value":811},[842],{"type":804,"value":843},"a very good analysis of this vulnerability",{"type":804,"value":845}," including a minimized proof of concept. This made it possible for us to create a patch for affected ",{"url":847,"meta":848,"type":12,"children":850},"https://0patch.zendesk.com/hc/en-us/articles/4403751356050-Which-Windows-versions-has-0patch-security-adopted-",[849],{"id":810,"value":811},[851],{"type":804,"value":852},"\"security-adopted\"",{"type":804,"value":854}," Windows systems that no longer receive official fixes from Microsoft.",{"type":801,"children":856},[857,859,865],{"type":804,"value":858},"Microsoft assigned this issue ",{"url":860,"meta":861,"type":12,"children":863},"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41128",[862],{"id":810,"value":811},[864],{"type":804,"value":753},{"type":804,"value":866}," and fixed it by removing a code branch that was dependent on a call to function ShouldExpectConventionalArrayIndexValue; in the patched code, this function call is skipped so the code always continues down the same path. ",{"type":801,"children":868},[869,871,875],{"type":804,"value":870},"Admittedly, we did not investigate what really went wrong with this vulnerable code and just logically replicated Microsoft's patch as we trust they know what they're doing. Our micropatch thus only has one instruction that jumps over the now-excluded code:\n\n",{"type":804,"marks":872,"value":874},[873],"code","MODULE_PATH \"..\\Affected_Modules\\jscript9.dll_11.0.9600.19597_Win7_64-bit_NoESU\\jscript9.dll\"\nPATCH_ID 1192\nPATCH_FORMAT_VER 2\nVULN_ID 7598\nPLATFORM win64\n\npatchlet_start\n    PATCHLET_ID 1\n    PATCHLET_TYPE 2\n    PATCHLET_OFFSET 0x2156e\n    N_ORIGINALBYTES 5\n    JUMPOVERBYTES 0\n    PIT jscript9.dll!0x21581\n    \n    code_start\n        jmp PIT_0x21581   ; jump over the excluded code block\n    code_end\npatchlet_end",{"type":804,"value":876},"\n",{"type":801,"children":878},[879],{"type":804,"value":880},"The micropatch was written for the following Versions of Windows with all available Windows Updates installed:",{"type":882,"style":883,"children":884},"list","numbered",[885,894,901,908,915,922],{"type":886,"children":887},"listItem",[888],{"type":801,"children":889},[890],{"type":804,"marks":891,"value":893},[892],"strong","Windows 10 v2004",{"type":886,"children":895},[896],{"type":801,"children":897},[898],{"type":804,"marks":899,"value":900},[892],"Windows 10 v1909",{"type":886,"children":902},[903],{"type":801,"children":904},[905],{"type":804,"marks":906,"value":907},[892],"Windows 10 v1809",{"type":886,"children":909},[910],{"type":801,"children":911},[912],{"type":804,"marks":913,"value":914},[892],"Windows 10 v1803 ",{"type":886,"children":916},[917],{"type":801,"children":918},[919],{"type":804,"marks":920,"value":921},[892],"Windows 7 without ESU, with year 1 of ESU and with year 2 of ESU",{"type":886,"children":923},[924],{"type":801,"children":925},[926],{"type":804,"marks":927,"value":928},[892],"Windows Server 2008 R2 without ESU, with year 1 of ESU and with year 2 of ESU",{"type":801,"children":930},[931,933,939],{"type":804,"value":932},"  This micropatch has already been distributed to all online 0patch Agents with a PRO or Enterprise license. To obtain the micropatch and have it applied on your computers along with our other micropatches, create an account in ",{"url":693,"meta":934,"type":12,"children":936},[935],{"id":810,"value":811},[937],{"type":804,"value":938},"0patch Central",{"type":804,"value":940},", install 0patch Agent and register it to your account with a PRO or Enterprise subscription. Note that no computer restart is needed for installing the agent or applying/un-applying any 0patch micropatch.\n",{"type":801,"children":942},[943,945,951,953,958],{"type":804,"value":944},"To learn more about 0patch, please visit our ",{"url":946,"meta":947,"type":12,"children":949},"https://0patch.zendesk.com/hc/en-us",[948],{"id":810,"value":811},[950],{"type":804,"value":97},{"type":804,"value":952},". For a trial or demo please contact ",{"url":954,"type":12,"children":955},"mailto:sales@0patch.com",[956],{"type":804,"value":957},"sales@0patch.com",{"type":804,"value":959},".",{"type":801,"children":961},[962,964,969,970,975],{"type":804,"value":963},"We'd like to thank ",{"url":820,"meta":965,"type":12,"children":967},[966],{"id":810,"value":811},[968],{"type":804,"value":825},{"type":804,"value":827},{"url":829,"meta":971,"type":12,"children":973},[972],{"id":810,"value":811},[974],{"type":804,"value":834},{"type":804,"value":976}," of Google's Threat Analysis Group (TAG) for publishing their analysis and providing a proof-of-concept that allowed us to reproduce the vulnerability and create a micropatch. We also encourage security researchers to privately share their analyses with us for micropatching.",{"type":801,"children":978},[979],{"type":804,"value":980},"\n\n",{"alt":753,"url":982,"width":983,"height":984,"responsiveImage":985},"https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png",1600,800,{"srcSet":986,"webpSrcSet":987,"sizes":988,"src":989,"width":990,"height":991,"aspectRatio":228,"alt":753,"title":18,"bgColor":992,"base64":993},"https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&dpr=0.25&fit=crop&w=1440 360w,https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&dpr=0.5&fit=crop&w=1440 720w,https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&dpr=0.75&fit=crop&w=1440 1080w,https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&fit=crop&w=1440 1440w","https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&dpr=0.25&fit=crop&fm=webp&w=1440 360w,https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&dpr=0.5&fit=crop&fm=webp&w=1440 720w,https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&dpr=0.75&fit=crop&fm=webp&w=1440 1080w,https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&fit=crop&fm=webp&w=1440 1440w","(max-width: 1440px) 100vw, 1440px","https://www.datocms-assets.com/166020/1774002324-7598_vulncard.png?auto=compress&crop=focalpoint&fit=crop&w=1440",1440,720,"#ffc001","data:image/png;base64,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",1780067944621]