{"family":"windowsserver","family_label":"Windows Server","build":"20348.5499","base":"20348","tag":"2022","kb":"KB5120242","kb_url":"https://support.microsoft.com/help/5120242","kb_title":"August 11, 2026—KB5120242 (OS Build 20348.5499)","release_date":"2026-08-11","update_type":"2026-08 B","update_type_label":"Security update (Patch Tuesday)","servicing":"LTSC","ms_known_issues":[{"title":null,"symptom":"After installing KB5070884 or later updates, Windows Server Update Services (WSUS) does not display synchronization error details within its error reporting. This functionality is temporarily removed to address the Remote Code Execution Vulnerability, CVE-2025-59287 .","workaround":"","applies_to":"","status":""}],"ms_none_known":false,"ms_highlights":null,"title":"August 11, 2026—KB5120242 (OS Build 20348.5499)","build_type":"release","channel_label":"Release","branch":null,"kind":"cumulative","kind_label":"Cumulative update","is_dotnet":false,"status":null,"line":{"status":"supported","note":"Supported LTSC release"},"created":1786449600,"created_iso":"2026-08-11T12:00:00Z","uuid":null,"permalink":"/builds/windowsserver/20348.5499/","tag_url":"/builds/windowsserver/2022/","index_url":"/builds/windowsserver/","api_url":"https://search.windowsforum.com/api/builds/build/windowsserver/20348.5499","records":[],"summary":null,"known_issues":[],"linked":{"news":[{"thread_id":444161,"node_id":84,"title":"CVE-2026-62714: Windows DHCP Server Information Disclosure Vulnerability","replies":0,"views":348,"post_date":1788906635,"last_post_date":1788906635,"url":"https://windowsforum.com/news/cve-2026-62714-windows-dhcp-server-information-disclosure-vulnerability.444161/","kind":"coverage","match":"exact","pinned":true,"score":2.0},{"thread_id":444152,"node_id":84,"title":"CVE-2026-62720: Windows DHCP Server Information Disclosure Vulnerability","replies":0,"views":446,"post_date":1788892242,"last_post_date":1788892242,"url":"https://windowsforum.com/news/cve-2026-62720-windows-dhcp-server-information-disclosure-vulnerability.444152/","kind":"coverage","match":"exact","pinned":true,"score":2.0},{"thread_id":443221,"node_id":84,"title":"CVE-2026-71331: Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability","replies":0,"views":370,"post_date":1787239835,"last_post_date":1787239835,"url":"https://windowsforum.com/news/cve-2026-71331-windows-device-health-attestation-dha-remote-code-execution-vulnerability.443221/","kind":"coverage","match":"exact","pinned":true,"score":2.0},{"thread_id":443091,"node_id":84,"title":"CVE-2026-65791: Windows iSCSI Target Service Remote Code Execution Vulnerability","replies":0,"views":616,"post_date":1787074229,"last_post_date":1787074229,"url":"https://windowsforum.com/news/cve-2026-65791-windows-iscsi-target-service-remote-code-execution-vulnerability.443091/","kind":"coverage","match":"exact","pinned":true,"score":2.0},{"thread_id":442614,"node_id":84,"title":"CVE-2026-62747: Patch Windows Device Association LPE Flaw","replies":0,"views":380,"post_date":1786495937,"last_post_date":1786495937,"url":"https://windowsforum.com/news/cve-2026-62747-patch-windows-device-association-lpe-flaw.442614/","kind":"fix","match":"exact","pinned":true,"score":2.0},{"thread_id":442589,"node_id":84,"title":"CVE-2026-62724: Patch Windows Telephony LPE, Don't Trust CPE Data","replies":0,"views":414,"post_date":1786490869,"last_post_date":1786490869,"url":"https://windowsforum.com/news/cve-2026-62724-patch-windows-telephony-lpe-dont-trust-cpe-data.442589/","kind":"fix","match":"exact","pinned":true,"score":2.0},{"thread_id":442543,"node_id":84,"title":"CVE-2026-61367: Patch Windows RDS Local Privilege Escalation","replies":0,"views":410,"post_date":1786482366,"last_post_date":1786482366,"url":"https://windowsforum.com/news/cve-2026-61367-patch-windows-rds-local-privilege-escalation.442543/","kind":"fix","match":"exact","pinned":true,"score":2.0},{"thread_id":442474,"node_id":84,"title":"CVE-2026-56174: Patch Windows Narrator Braille LPE","replies":0,"views":238,"post_date":1786473352,"last_post_date":1786473352,"url":"https://windowsforum.com/news/cve-2026-56174-patch-windows-narrator-braille-lpe.442474/","kind":"fix","match":"exact","pinned":true,"score":2.0}],"tutorials":[],"threads":[],"total":11,"exact":8,"window_days":45},"related":{"history":[{"build":"20348.5631","title":null,"created":1789387200,"kb":"KB5129237","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5631/","current":false},{"build":"20348.5622","title":null,"created":1788868800,"kb":"KB5122882","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5622/","current":false},{"build":"20348.5499","title":null,"created":1786449600,"kb":"KB5120242","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5499/","current":true},{"build":"20348.5386","title":null,"created":1784030400,"kb":"KB5099540","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5386/","current":false},{"build":"20348.5256","title":null,"created":1781006400,"kb":"KB5094128","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5256/","current":false},{"build":"20348.5139","title":null,"created":1778587200,"kb":"KB5087545","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5139/","current":false},{"build":"20348.5024","title":null,"created":1776600000,"kb":"KB5091575","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5024/","current":false},{"build":"20348.5020","title":null,"created":1776168000,"kb":"KB5082142","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5020/","current":false}],"history_total":94,"prev":{"build":"20348.5386","title":null,"created":1784030400,"kb":"KB5099540","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5386/","current":false},"next":{"build":"20348.5622","title":null,"created":1788868800,"kb":"KB5122882","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windowsserver/20348.5622/","current":false},"wave":[]},"source":"microsoft","indexable":true,"generated":1790176133}