Tuesday, 14 July 2026 @ 11:01 UTC~2213,429150,744

Mozilla Firefox ESR (cak)

Mozilla·Mozilla.Firefox.ESR.cak

Get the Firefox Extended Support Release or Rapid Release browser for comprehensive data security and data protection.

winget install --id Mozilla.Firefox.ESR.cak --exact --source winget

Latest 140.12.0·June 16, 2026

Release Notes

Version 140.12.0, first offered to ESR channel users on June 16, 2026 Firefox 140 Extended Support Release (ESR) includes all of the enhancements since Firefox 128, along with many new features to make your enterprise deployments easier and even more flexible.

Fixed

  • Various security fixes.

Developer

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86—Download2415DE654520A4C40EDFED82BFFC0B699AB298FE2819AEE40F13AAC3E7688DD0
x64—DownloadB58492B0AE4451C5BF6A5D8031BBC441660B9E4331E4D108D4C380CB3988BF6D
arm64—DownloadA7FC8C7722FB93F9C0E17CAD5C5570ECD4B855F38B4A8042A402B8DDC721D355

Details

Homepage
https://www.mozilla.org/firefox/enterprise/
License
MPL-2.0
Publisher
Mozilla
Support
https://support.mozilla.org/
Privacy Policy
https://www.mozilla.org/privacy/firefox/
Moniker
firefox-esr

Tags

browsercross-platformfossgeckoquantumspidermonkeywebweb-browser

Older versions (41)

140.11.0
ArchitectureScopeDownloadSHA256
x86—DownloadA99BB27D3885A24B7D10EA0311DBA9D50CA5CA3D01C1C370557B50850BACEF07
x64—Download463242DC4DCFD905F3312692811B4A09075E1700395ECF916313E297EF6EE8C6
arm64—DownloadBA8CC7E306A6B0AA193E7CDD181054708D1FC216E2CC4A8BC457FA1DF600B2EA
140.10.2
ArchitectureScopeDownloadSHA256
x86—DownloadCAC1DB57D1344DF68F2848EE9B0D134F0938AF4D1E91DAABE1C6140CBD7DF0A0
x64—DownloadFF7C5C0752C89F31E06E9D4E3C5C80BA41C4FE7DA68915A445D2379721364C32
arm64—DownloadDABD117013E521EA5B2351245BF2A56DEE1626CFAD7A1E652D818BF5179C530C
140.10.1
ArchitectureScopeDownloadSHA256
x86—Download119D4962A69CB9FD0808AFDBAB240D28C592B1D2D5E4476A32F84BA8361AEE53
x64—Download592F7BB56AFD388E8555E07EEC2E80BDC45D9B487E51F1A209D1C9C1AC81E366
arm64—Download47DD8141F33DF439E8A541100C43671D5EBD17D9592697B0FDA89AFD0286D0EE
140.10.0
ArchitectureScopeDownloadSHA256
x86—Download0E468178AE8B6FA76B6122BDE783557C9BD6E081E844B35CA85E9E345EAE41CC
x64—Download602D04069A0C90A6FBCC670CE6F3A411E956A1520FC6328DBA1E59FE89DFCFC3
arm64—Download0C9047C13AA8828831534859146E9B975FA6713583923232F61127F273B61166
140.9.1
ArchitectureScopeDownloadSHA256
x86—Download5269A70A777E925BB4F4CDF32DF773A3E759A48DAA6F5D7FA4C038A0C534AEB0
x64—Download797340D6110E14EA3D76B3B5E5E343DE53B6F277953CE957C0A22586EE75B577
arm64—DownloadA0F083BAA460AFDEAC0FA329678D3C885B6DC8764128B294215ABCF80BAD6B73
140.9.0
ArchitectureScopeDownloadSHA256
x86—Download3B6BAB1DA3939FE6D68BBA7D282BD014F1B273FEFA78B88276FED3F56ECD78B4
x64—Download5DF005A45F8664D41458FE76773AABD80CA64354A0E6D40DAA4B95C6B15CC682
arm64—Download82FE6338254FE3621AD355E2B7DEB0234DAD609C0652F32AF65D94F0C8C80042
140.8.0
ArchitectureScopeDownloadSHA256
x86—Download9965EAA7DA962520DC768733619D37A810776DBA70396B2C5710C2A39BE5FF07
x64—DownloadAB894CDC9DA16DC8348897CA71908F635D4B3AC3F0F810CFA9028186CC62E2C1
arm64—Download5FD098C7C645C009976E7C4AEADED43F22FD98980FD59E4E9DA3C93A16A0AB3D
140.7.1
ArchitectureScopeDownloadSHA256
x86—Download797224E6793EFF2C4F152913A189E1937871CF95A6468F4BAD427903636CBC87
x64—DownloadEFD8124EEEDC33C4D9C24926FD5C903324F214F955162B5DDA4E9D18B853AFF1
arm64—Download634E77CCF1AF59CF6F4B46A39952B6C90A6859A8EB346C1ABC765AB799C51C01
140.7.0
ArchitectureScopeDownloadSHA256
x86—Download81725AE703BF9AE23B3AB6CF78AF07DC17EFD45ACABD1081F50EFBA66E00B7FB
x64—DownloadBB03A3C8A87CBA54AE596BE9B1B57A4EB7CE31C503BCA1A4CACED1573653398A
arm64—DownloadEAA2954F155CD94EA600EFA50019F2FB35A3B77A4540795C24507F2A99910E7B
140.6.0
ArchitectureScopeDownloadSHA256
x86—DownloadEDCAB37F70D2E950770C9E20660970ED5A77E85290813B750746B5730E697510
x64—Download95B2E07FB43D482FE0985657BDEFA1E93B8F343C482CF4EFD7324907FAC01325
arm64—Download4F5980CB0A05998526D20221F13D888B20BDC99982311CC0831A1AF0AA570AF3
140.5.0
ArchitectureScopeDownloadSHA256
x86—DownloadE303835B41C354783B522BAF86304EE663F31EE8AEB8FBEDF4A276E024FF2C9A
x64—Download502AE73C612238AC529170988F543231C3E57039E19B4057127C01270308A9CA
arm64—Download0E0E969F27FB9CE093BAE5DB0C25FFD158D46C0B05F9BA60A77A6152652844C3
140.4.0
ArchitectureScopeDownloadSHA256
x86—DownloadE321CD41E072ABE99573FF7607E7F71C01E1164267FAB75143724A29862A24FD
x64—Download8BC3C23200CA07177E767824BA2422BBE47E13984FF721AD2E7BE0CD2E354461
arm64—Download04E0771B69407D46D47FC8E149E4B84A71EA172760044286B3EC9DE881120A48
140.3.1
ArchitectureScopeDownloadSHA256
x86—DownloadB9EA1643A4E35F233BF329AE731DB2FA361662D2B8179906E664483C2EE95FFD
x64—DownloadFDE305A258FE551B14DE893F51B228A20DDCF693B92F5CAFD45B4FB5F6409DA0
arm64—Download8B8035C17FD8C31AD6C3D3D2790FF7F6A9181E0EF348AFE2698E1E23100D381D
140.3.0
ArchitectureScopeDownloadSHA256
x86—DownloadB7BB61F38A93EFF0BF67F8DF48C7187FFE36CC55ABBB11B10576E699985B487F
x64—Download57FACE3DFAB82B6E95BEDFCEB207A038F6DC659B9F0DC1E0B87882D1B7A8B5A7
arm64—Download852997B1C8CFC85D3A5714B88C70D3C1EE13805644116E066CC433BEAFEEB11E
128.14.0
ArchitectureScopeDownloadSHA256
x86—Download19D581EF6BC3CCA9C50CD340C50C75EF12CAC4D4E16903C33040DC750DA9F267
x64—DownloadB26A25639B4D2A431F211267FD3A01D24BC0A17FE237CA503BFA37A6C197F6CF
arm64—DownloadDD3E099EA8AD2E3822EBBE40ED9427DD637952804EA54C0FE30F9D5116E018DA
128.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadAFB84FDFA32203506A14BEB2FDF94F93F59C764DEC7D70F2E3D3A7B6C101D4C9
x64—Download9B32CAC7D843083E8BED03A258ECD9A03158FD30F5EE52A04822714D13669864
arm64—DownloadD65C74FC4C894172F437E37306CE9CA557CE7B99F34CE650E974F63DF5B25C49
128.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadB1005BD22903D31AD6C77CB09E29777B45124C24160FB9BD8C5FBA3D67FCC784
x64—DownloadA04153197CBB6FC9D03E0280BE86DC8DC5625B15E0B53F8BB48159C2A6883306
arm64—Download4CC80419E6F873B8D12A9D8615FDBCDACD56934627AA1BC17B670BB6336E599E
128.11.0
ArchitectureScopeDownloadSHA256
x86—Download939F722D8C007BDDAB7DBB7E359A32B61B5587F8D86B19CE93D5473D653919C6
x64—Download34DA12E9322E7BF4D008F49057C92F90FFF9E6C6BF364E151B16F401DF8168BE
arm64—DownloadB22C30AEB4FC5725C7146720D04B7556FC207714A2EB2659F4742439C039800B
128.10.1
ArchitectureScopeDownloadSHA256
x86—DownloadF8BFAD856DC5DBFE284DE47CA5F5014392428FAD52F23680C5F4C0D0ED125406
x64—DownloadDDF1555F05B7EA7861C637CA122BE268CE292B05777623510751031711716E4F
arm64—Download77DDA53D82DF49E3AD3C8E0794410931B302225F428E9CBDDF651956941F3F8A
128.10.0
ArchitectureScopeDownloadSHA256
x86—DownloadB06C1EC387B62EE4DBDB8430E41C17F4C5EEBCEBAB864E240659638E9A1C2A97
x64—DownloadDD753D579D636CAB388C244071658CA0BA47B1F7BC7E75043553E387CEB81B13
arm64—DownloadD08779EF01AE24D9467C59C28DF3EFB84FE2E0D08C75498D16CDDFEB949AFDDA
128.9.0
ArchitectureScopeDownloadSHA256
x86—DownloadB134B775D4044E41F27848CE7738E9B913E4DBD36C42E0A66D2BE305ECB33117
x64—DownloadF41242166C60C21429CFDDD2EA4B3CFA5745B142AEA94B75A56F6ADE3D668454
arm64—Download5AFA6F7D5D3DCEE709D9125A961A5FD9E613AE67D6D204CF5DE2F488F721344B
128.8.1
ArchitectureScopeDownloadSHA256
x86—DownloadF11EF345925ABCD620C2D83688877ABA4832D3D7A354866EE7DAF2DE10A768BA
x64—Download9B4F9A82AAD62A66B7D320AF00A4F67793C6619010B452548B9472466A1D5CC2
arm64—DownloadDAACFD8DBE3B78157D3387B8F9546A9FF9006C945D32B9317C456D28CA0F7523
128.8.0
ArchitectureScopeDownloadSHA256
x86—DownloadA980A249E518A3081AC09FEB5E64A72D4377124CC002323198FA67AE7FFB43F0
x64—Download21A1F1667B896E5D7BD72B9D9C2EB5FC73704DC7A58361959461BC66FE4A5D3E
arm64—DownloadF8FE5B0FD5DCBF83CDB72D352ED057ABADDD5396CDD5F1A25F2B48C53FEF5853
128.7.0
ArchitectureScopeDownloadSHA256
x86—DownloadA2BF1D0CD6B3EF68F043C91DD3C4AF8B008C06A00633F6D853B95CD99E2DDF81
x64—Download93FFD91B56CA616C8340A2AF1CC5C6AB7C72D6F29201FE3AF2367386C4BD1FFB
arm64—Download87AEBD3B6F3C725E40B12AB1E069550F1D85FDD52781FE1AA3ED9D6ED6D2D1D5
128.6.0
ArchitectureScopeDownloadSHA256
x86—Download8CE765B4DB2AC5C514A895633BC1D2DFFC6F7CA748F58EE5A56E1AC48BBA58FC
x64—Download9172F319AAF8EC7AF05B18F34F78F97161AD17329EAC091AE1480BBB866F7387
arm64—Download04269F986ECDD7D580E55727996B5FDE8DB79946BD417CCAD3BA49805296EEC4
128.5.2
ArchitectureScopeDownloadSHA256
x86—DownloadB1FF9750009673A1B4186DDA61D73A00F899F6BEDC3179CDCD2882E66383E29B
x64—Download30C67080247A05EFD909B28AAD893CC19BF6BFD2D697DD18F9DD1A9650A3272B
arm64—Download97429E3C60A2E7CBE630E6E244B6F7F6C333FCE4C905DF2E80B16B9E4ABC91DA
128.5.1
ArchitectureScopeDownloadSHA256
x86—Download3B38FD026CAD4661E8E012654A926DD1C3495DDF0A32451E441FA5AE3D52221E
x64—Download5E513C7FD248A9E1E1A95CA11EEB00EA7B97CBB10016543A5BFE082E0223B31C
arm64—Download9F515946CCFDB69E997EA9A7021EAF4BDA78BA702170B9D1F17A6197E98CBA15
128.5.0
ArchitectureScopeDownloadSHA256
x86—Download402B5D7F0A322D5983248CDBB71ED90836EBEAD47D18C07E36C343B308F937C0
x64—Download146A7C456B9B069611C0E590984B1E04117C99964FFC72B91DF13F7B632B60C2
arm64—Download81902E5B8A75A0981F5C193810730D85BE80FE1960A471F7D533F9E87AA4C0DA
128.4.0
ArchitectureScopeDownloadSHA256
x86—Download32246847780C5842492323006CD3AE07B342A76607A131A60F2036E53613DD81
x64—Download31833EEEC5F7441396DD85F5266CA2730BDC0E4822A825449323A21E9778CB60
arm64—Download36D99665907051B3B25474B31E65DC332477C457888E92308F81C06D1156B1EC
128.3.1
ArchitectureScopeDownloadSHA256
x86—Download4709D4173DD76E162BBB27181FE777490A5B8CF44B6A2F3D8DCF43C904077A97
x64—Download2D239F22B22330A041439B8F251523D4891618C543FF7AC9FCA5F53FCB846B55
arm64—Download76D21C080AC67CE88990C88C9CA7CD5DB7B64957753F75C75C20559AA7D4444E
128.3.0
ArchitectureScopeDownloadSHA256
x86—Download7179D34F7BED8456A3379BE60CE9129438063F3D94310EBE063804F83C585D62
x64—Download0D4E212C10CCFF70B89409D1E2BF727ADB42C37B31D92671F57B8FB113D04A14
arm64—DownloadF428C907326ED5E209E18860328CA694BD3CD177777DB268400971C8E664F2A4
115.15.0
ArchitectureScopeDownloadSHA256
x86—DownloadF63A65B63C67E3C4A8B202A91312C69C0FA69538079463BF9F25E8D2F12BA5F1
x64—Download902CB1E4726B9565F13EFD80B464617ACACB09AC38DFEB74833104CF57BA350D
arm64—DownloadE67729A2EDCFB2F74E939AC818AC3A8292053364A6442A1318E28EDC2313C923
115.14.0
ArchitectureScopeDownloadSHA256
x86—DownloadF983FEC31BC5838DFB0C6D66573348549221282B68E34096FD99D583695A074F
x64—DownloadD6A47CC1C8ADB3B5DD51580A34DA06403762CE4F9EAD405BE49E48C3B5BDCA59
arm64—DownloadF27F9F60EB7BDBFB0A411FD9478C20252C8FD18C42CCA197AFEEBB27F97FA16B
115.13.0
ArchitectureScopeDownloadSHA256
x86—DownloadF39F707A16C8ADC91A473B73ADEADFADF07D73EC3A4E6C1BB58789457E6BCC4E
x64—Download9D3D97171FE7B7A86CF0F50DF4BA20D18154C700757AF4778F15A7906D20F716
arm64—DownloadE039331EFCB0FD38F39864FE419BC60A5801DE2B824220415BC9F501E8C0F235
115.12.0
ArchitectureScopeDownloadSHA256
x86—DownloadB595A3EAA476EB41A5D76B673F29E0C8932B1E52BEAA55BD7CEC353D191E6171
x64—DownloadB4578C113C8B0522C464C2B4DAFD26907EC46AA2A858F727FD6C9D2D8AFD45E7
arm64—Download6264CB0C4C9A8BE042E01DA715E394E39545FEC9002D3DE4F27E4A5348C17C3E
115.11.0
ArchitectureScopeDownloadSHA256
x86—Download690EDA95087314D38AA534A157C7068DED617B350BB775E8D7FBCCAA94A73367
x64—DownloadBAFDA6AEBB135D8401B5B139E0B0282410138B6621212954108AA301DD75F13B
arm64—DownloadA0B1F1FFBD601AB33461A76B4C81D064BD0CAE1FA982671DC9F73978AC1FDD8A
115.10.0
ArchitectureScopeDownloadSHA256
x86—Download5E1BCAAB2FC1CA44FE9E6A9C73547B891968AF8EA2F8146C363BAB8F047A8C0E
x64—Download368D67CA47DD6F22F4FF0E79F9121022BF4AA630EDC52EF44EDC0EEF94D37308
arm64—DownloadF3565FE589472666A82DFB93CE6BA0D0D6DE91DB7A802D4DFA589B058B8606B6
115.9.1
ArchitectureScopeDownloadSHA256
x86—Download5BB2138597E19AAFAFF2F626CF2ABBBC858F7648D9E87B731BF6C4D6BB77606D
x64—DownloadE6F239CED8D204B96C1CC05FC019A4AF9A3BDE52D436BB157ADC7FB92336C9E2
arm64—Download4A415E4975FABA21CB02C6D3E2D2441C66C50B4E3751F4CE5020B0831F8996BB
115.9.0
ArchitectureScopeDownloadSHA256
x86—Download3F7724CA7657AA5B938584675F7F61BF766A3F63B9EA08A1D2FF6B5FA54E4562
x64—Download62A512E2D0BB8B493DEFFC8C48202FF5B5FDB8BCF7789B487929B9ECAAEB848D
arm64—DownloadDCF08121812AAD862DE703E16D2EBCA3604AA81B0C18EC2E9A665DCFF3ABDD08
115.8.0
ArchitectureScopeDownloadSHA256
x86—Download1F8D535217DE82966566D837C69A7AB5EF514956A027B4556B1D9D2CE8FB75ED
x64—Download2ECA38F34FB7EE5C15A72351F58577A15B88E18C99C1FC920815844E08B1D3C1
arm64—Download40953BF251D67CA3A133F6CFCAB6B6DC78882AF866FC46401D0845FB388FBC88
115.7.0
ArchitectureScopeDownloadSHA256
x86—Download303084A08F0762A1835A1B94AB6704F1632C280FA0F72EB55D109B2C0BEA1AE9
x64—DownloadE6CD63A0A8ED8B7F1F7B6AE5865A018D956027DEA0003142F989BBD6AD518FB3
arm64—Download7D40DA1AE332FBF23B759D9754EFA98C40081D4DA29422A8F09E30737CF1A5EF