{"family":"windowsserver","family_label":"Windows Server","build":"17763.9488","base":"17763","tag":"2019","kb":"KB5136490","kb_url":"https://support.microsoft.com/help/5136490","kb_title":"November 13, 2026—KB5136490 (OS Build 17763.9488) Out-of-band","release_date":"2026-11-13","update_type":"2026-11 OOB","update_type_label":"Out-of-band update","servicing":"LTSC","ms_known_issues":[],"ms_none_known":false,"ms_highlights":null,"title":"Cumulative Update for Windows Server 2019 (1809) (17763.9488)","build_type":"release","channel_label":"Release","branch":null,"kind":"cumulative","kind_label":"Cumulative update","is_dotnet":false,"status":null,"line":{"status":"extended","note":"Extended support through 2029-01-09","support":{"extended":"2029-01-09","mainstream":"ended"},"availability_date":"2018-11-13","source_url":"https://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info","verified_at":1794622407,"stale":false,"servicing_exceptions":[]},"created":1794595512,"created_iso":"2026-11-13T18:45:12Z","uuid":"71b63ff7-8c84-4957-8cab-c4783657beb2","permalink":"/builds/windowsserver/17763.9488/","tag_url":"/builds/windowsserver/2019/","index_url":"/builds/windowsserver/","api_url":"https://search.windowsforum.com/api/builds/build/windowsserver/17763.9488","records":[{"uuid":"71b63ff7-8c84-4957-8cab-c4783657beb2","title":"Cumulative Update for Windows Server 2019 (1809) (17763.9488)","build":"17763.9488","arch":"amd64","created":1794595512,"created_iso":"2026-11-13T18:45:12Z","build_type":"release","channel_label":"Release","branch":null,"kind":"cumulative","kind_label":"Cumulative update","status":null,"kb":null,"download_url":"https://uupdump.net/selectlang.php?id=71b63ff7-8c84-4957-8cab-c4783657beb2"}],"summary":"The supplied identity labels this as a **Release** for Windows Server 2019 (version 1809), but Microsoft’s release history lists build **17763.9487**, not **17763.9488**. I couldn’t verify release notes for 9488, so I can’t confirm any specific changes. ([learn.microsoft.com](https://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info))","known_issues":[{"thread_id":452146,"node_id":4,"title":"November 2026 Windows Updates Break SLMGR Activation Commands with Error 0x80041008","replies":0,"views":273,"post_date":1794562796,"last_post_date":1794562796,"url":"https://windowsforum.com/news/november-2026-windows-updates-break-slmgr-activation-commands-with-error-0x80041008.452146/","kind":"issue","match":"exact","pinned":true,"score":2.0}],"linked":{"news":[{"thread_id":452146,"node_id":4,"title":"November 2026 Windows Updates Break SLMGR Activation Commands with Error 0x80041008","replies":0,"views":273,"post_date":1794562796,"last_post_date":1794562796,"url":"https://windowsforum.com/news/november-2026-windows-updates-break-slmgr-activation-commands-with-error-0x80041008.452146/","kind":"issue","match":"exact","pinned":true,"score":2.0},{"thread_id":451836,"node_id":4,"title":"Microsoft Warns Exchange Server 2016 and 2019 Are Permanently Vulnerable After ESU Ends","replies":0,"views":131,"post_date":1794406987,"last_post_date":1794406987,"url":"https://windowsforum.com/news/microsoft-warns-exchange-server-2016-and-2019-are-permanently-vulnerable-after-esu-ends.451836/","kind":"issue","match":"line","pinned":false,"score":0.9758}],"tutorials":[],"threads":[],"total":2,"exact":1,"window_days":45},"related":{"history":[{"build":"17763.9488","title":"Cumulative Update for Windows Server 2019 (1809) (17763.9488)","created":1794595512,"kb":"KB5136490","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.9488/","current":true},{"build":"17763.9247","title":"Cumulative Update for Windows Server 2019 (1809) (17763.9247)","created":1789407849,"kb":"KB5129238","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.9247/","current":false},{"build":"17763.9245","title":"Cumulative Update for Windows Server 2019 (1809) (17763.9245)","created":1789018316,"kb":"KB5122876","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.9245/","current":false},{"build":"17763.9020","title":"Cumulative Update for Windows Server 2019 (1809) (17763.9020)","created":1785265116,"kb":"KB5099538","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.9020/","current":false},{"build":"17763.8755","title":"Cumulative Update for Windows Server 2019 (1809) (17763.8755)","created":1778675868,"kb":"KB5087538","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.8755/","current":false},{"build":"17763.8647","title":"Cumulative Update for Windows Server 2019 (1809) (17763.8647)","created":1776731962,"kb":"KB5091573","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.8647/","current":false},{"build":"17763.8644","title":"Cumulative Update for Windows Server 2019 (1809) (17763.8644)","created":1776849287,"kb":"KB5082123","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.8644/","current":false},{"build":"17763.8511","title":"Cumulative Update for Windows Server 2019 (1809) (17763.8511)","created":1773829541,"kb":"KB5078752","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.8511/","current":false}],"history_total":141,"prev":{"build":"17763.9247","title":"Cumulative Update for Windows Server 2019 (1809) (17763.9247)","created":1789407849,"kb":"KB5129238","build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windowsserver/17763.9247/","current":false},"next":null,"wave":[]},"source":"uup","indexable":true,"generated":1794628961}