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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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Kolsek","2025-08-21T14:25:05+02:00","awaTAVPpSDeOHJCZHOR6cw",{"blocks":787,"links":788,"value":789},[],[],{"schema":790,"document":791},"dast",{"type":792,"children":793},"root",[794,829,845,859,872,875,879],{"type":795,"children":796},"paragraph",[797,800,809,811,818,820,827],{"type":798,"value":799},"span","Users are asking about micropatches for ",{"url":801,"meta":802,"type":12,"children":806},"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24074",[803],{"id":804,"value":805},"target","_blank",[807],{"type":798,"value":808},"CVE-2021-24074",{"type":798,"value":810},", ",{"url":812,"meta":813,"type":12,"children":815},"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24086",[814],{"id":804,"value":805},[816],{"type":798,"value":817},"CVE-2021-24086",{"type":798,"value":819},", and ",{"url":821,"meta":822,"type":12,"children":824},"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24094",[823],{"id":804,"value":805},[825],{"type":798,"value":826},"CVE-2021-24094",{"type":798,"value":828},", remotely exploitable vulnerabilities in Windows TCP/IP stack that were fixed by February 2021 Windows Updates (and left unpatched on Windows 7 and Server 2008 R2 machines without Extended Security Updates (year 2).\n",{"type":795,"children":830},[831,833,843],{"type":798,"value":832},"According to ",{"url":834,"meta":835,"type":12,"children":840},"https://msrc-blog.microsoft.com/2021/02/09/multiple-security-updates-affecting-tcp-ip/",[836,839],{"id":837,"value":838},"rel","noopener",{"id":804,"value":805},[841],{"type":798,"value":842},"Microsoft's blog post on the matter",{"type":798,"value":844},", the two \"arbitrary code execution\" vulnerabilities are \"complex which make it difficult to create functional exploits, so they are not likely in the short term,\" but that denial-of-service attacks could quickly be devised (from reverse-engineering of patches, we assume).",{"type":795,"children":846},[847,849,857],{"type":798,"value":848},"At the time of this writing (February 10, 2021) we're not developing patches for these vulnerabilities. The main reason is that in order to create a patch, we need to be able to reproduce the vulnerability, i.e., we need to have a proof-of-concept or an exploit that triggers it. None of these have been published or made otherwise available yet. (For the same reasons, they're also not available to attackers.) While we could reverse-engineer patches and try to create our own exploits, our time is better spent on fixing vulnerabilities we (and attackers) already can reliably reproduce, especially if official patches for them do not exist yet (such as this ",{"url":850,"meta":851,"type":12,"children":854},"https://twitter.com/0patch/status/1358580726367715339",[852,853],{"id":837,"value":838},{"id":804,"value":805},[855],{"type":798,"value":856},"Internet Explorer 0day",{"type":798,"value":858},").",{"type":795,"children":860},[861,863,870],{"type":798,"value":862},"A likely second reason for not patching these vulnerabilities even if we were able to reproduce them would be that these vulnerabilities are likely entirely in Windows kernel, and Microsoft's Patch Guard ",{"url":864,"meta":865,"type":12,"children":867},"https://support.0patch.com/hc/en-us/articles/360011047979",[866],{"id":804,"value":805},[868],{"type":798,"value":869},"prevents us from patching kernel code",{"type":798,"value":871},". While this is usually not a problem as most remotely exploitable vulnerabilities are in user space (where we can patch), in this case we recommend implementing Microsoft's workarounds described in respective KB articles, specifically, executing the following on all computers without February 2021 Windows Updates or later:",{"code":873,"type":874},"netsh int ipv4 set global sourceroutingbehavior=drop\nnetsh int ipv6 set global reassemblylimit=0","code",{"type":795,"children":876},[877],{"type":798,"value":878},"According to Microsoft's blog post, network packets that can be used for exploiting these vulnerabilities can also be blocked by firewall, but to protect yourself from internal attackers, making the above Windows systems settings will be more effective.",{"type":795,"children":880},[881],{"type":798,"value":882}," ",1780067952876]