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Recorded 14 Oct 2026 at 11:22 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Windows updateMicrosoft release information, MSRC and Windows release health

KB5121003

Windows 11, version 24H2: KB5121003 · 2026-08 B · OS build 26100.9168

What it said

KB
KB5121003
Windows versions and builds
Windows 11, version 24H2: 26100.9168 (2026-08 B); Windows 11, version 25H2: 26200.9168 (2026-08 B)
Applies to
Windows 11, version 24H2, Windows 11, version 25H2, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems
Restart required
Yes
CVEs fixed
CVE-2026-68820, CVE-2026-62832, CVE-2026-62815, CVE-2026-62816, CVE-2026-62822, CVE-2026-62819, CVE-2026-62889, CVE-2026-62890, CVE-2026-66799, CVE-2026-49179, CVE-2026-62784, CVE-2026-62785, CVE-2026-62790, CVE-2026-62795, CVE-2026-62800, CVE-2026-62781, CVE-2026-62792, CVE-2026-42976, CVE-2026-54984, CVE-2026-59127, CVE-2026-61349, CVE-2026-61353, CVE-2026-61355, CVE-2026-61356, CVE-2026-61357, CVE-2026-61358, CVE-2026-61359, CVE-2026-61364, CVE-2026-61365, CVE-2026-61367, CVE-2026-61923, CVE-2026-61925, CVE-2026-61926, CVE-2026-61930, CVE-2026-61934, CVE-2026-61937, CVE-2026-62688, CVE-2026-62692, CVE-2026-62695, CVE-2026-62696, CVE-2026-62698, CVE-2026-62700, CVE-2026-62701, CVE-2026-62707, CVE-2026-62710, CVE-2026-62711, CVE-2026-62712, CVE-2026-62713, CVE-2026-62717, CVE-2026-62719, CVE-2026-62722, CVE-2026-62732, CVE-2026-62733, CVE-2026-62735, CVE-2026-62736, CVE-2026-62737, CVE-2026-62739, CVE-2026-62741, CVE-2026-62747, CVE-2026-62751, CVE-2026-62752, CVE-2026-62754, CVE-2026-62755, CVE-2026-62758, CVE-2026-62768, CVE-2026-62770, CVE-2026-62771, CVE-2026-62777, CVE-2026-62779, CVE-2026-62783, CVE-2026-62797, CVE-2026-62811, CVE-2026-62876, CVE-2026-62877, CVE-2026-62880, CVE-2026-62885, CVE-2026-62888, CVE-2026-62894, CVE-2026-65671, CVE-2026-65672, CVE-2026-65773, CVE-2026-65774, CVE-2026-65775, CVE-2026-65786, CVE-2026-65787, CVE-2026-65790, CVE-2026-65814, CVE-2026-66804, CVE-2026-70344, CVE-2026-70345, CVE-2026-70346, CVE-2026-70347, CVE-2026-54113, CVE-2026-59132, CVE-2026-59134, CVE-2026-61352, CVE-2026-61363, CVE-2026-50472, CVE-2026-59122, CVE-2026-59125, CVE-2026-59126, CVE-2026-61346, CVE-2026-61348, CVE-2026-61361, CVE-2026-61366, CVE-2026-61927, CVE-2026-61929, CVE-2026-61938, CVE-2026-61939, CVE-2026-62690, CVE-2026-62693, CVE-2026-62705, CVE-2026-62723, CVE-2026-62724, CVE-2026-62725, CVE-2026-62726, CVE-2026-62727, CVE-2026-62728, CVE-2026-62729, CVE-2026-62734, CVE-2026-62748, CVE-2026-62749, CVE-2026-62753, CVE-2026-62766, CVE-2026-62773, CVE-2026-62774, CVE-2026-62780, CVE-2026-62788, CVE-2026-62892, CVE-2026-62908, CVE-2026-65678, CVE-2026-65776, CVE-2026-65778, CVE-2026-65779, CVE-2026-65780, CVE-2026-65781, CVE-2026-65782, CVE-2026-65783, CVE-2026-65788, CVE-2026-70307, CVE-2026-62699, CVE-2026-62702, CVE-2026-62769, CVE-2026-62881, CVE-2026-62883, CVE-2026-65795, CVE-2026-65797, CVE-2026-65798, CVE-2026-65799, CVE-2026-70304, CVE-2026-70330, CVE-2026-59138, CVE-2026-61345, CVE-2026-61918, CVE-2026-61921, CVE-2026-61924, CVE-2026-62750, CVE-2026-62782, CVE-2026-65785, CVE-2026-65794, CVE-2026-62708, CVE-2026-59130, CVE-2026-59131, CVE-2026-59128, CVE-2026-59135, CVE-2026-59136, CVE-2026-59137, CVE-2026-61347, CVE-2026-61360, CVE-2026-61928, CVE-2026-61933, CVE-2026-61936, CVE-2026-62703, CVE-2026-62709, CVE-2026-62730, CVE-2026-62738, CVE-2026-62740, CVE-2026-62743, CVE-2026-62746, CVE-2026-62786, CVE-2026-62793, CVE-2026-62796, CVE-2026-62798, CVE-2026-62887, CVE-2026-65662, CVE-2026-65784, CVE-2026-70348, CVE-2026-62757, CVE-2026-65777, CVE-2026-61368, CVE-2026-61350, CVE-2026-56179
Known issues caused
Microsoft Teams and Outlook might fail to launch on ARM-based devices: Resolved
Known issues resolved
None in the collected release health data
Included security update
None identified in the collected release tables
CVEs listed directly for this KB
CVE-2026-68820, CVE-2026-62832, CVE-2026-62815, CVE-2026-62816, CVE-2026-62822, CVE-2026-62819, CVE-2026-62889, CVE-2026-62890, CVE-2026-66799, CVE-2026-49179, CVE-2026-62784, CVE-2026-62785, CVE-2026-62790, CVE-2026-62795, CVE-2026-62800, CVE-2026-62781, CVE-2026-62792, CVE-2026-42976, CVE-2026-54984, CVE-2026-59127, CVE-2026-61349, CVE-2026-61353, CVE-2026-61355, CVE-2026-61356, CVE-2026-61357, CVE-2026-61358, CVE-2026-61359, CVE-2026-61364, CVE-2026-61365, CVE-2026-61367, CVE-2026-61923, CVE-2026-61925, CVE-2026-61926, CVE-2026-61930, CVE-2026-61934, CVE-2026-61937, CVE-2026-62688, CVE-2026-62692, CVE-2026-62695, CVE-2026-62696, CVE-2026-62698, CVE-2026-62700, CVE-2026-62701, CVE-2026-62707, CVE-2026-62710, CVE-2026-62711, CVE-2026-62712, CVE-2026-62713, CVE-2026-62717, CVE-2026-62719, CVE-2026-62722, CVE-2026-62732, CVE-2026-62733, CVE-2026-62735, CVE-2026-62736, CVE-2026-62737, CVE-2026-62739, CVE-2026-62741, CVE-2026-62747, CVE-2026-62751, CVE-2026-62752, CVE-2026-62754, CVE-2026-62755, CVE-2026-62758, CVE-2026-62768, CVE-2026-62770, CVE-2026-62771, CVE-2026-62777, CVE-2026-62779, CVE-2026-62783, CVE-2026-62797, CVE-2026-62811, CVE-2026-62876, CVE-2026-62877, CVE-2026-62880, CVE-2026-62885, CVE-2026-62888, CVE-2026-62894, CVE-2026-65671, CVE-2026-65672, CVE-2026-65773, CVE-2026-65774, CVE-2026-65775, CVE-2026-65786, CVE-2026-65787, CVE-2026-65790, CVE-2026-65814, CVE-2026-66804, CVE-2026-70344, CVE-2026-70345, CVE-2026-70346, CVE-2026-70347, CVE-2026-54113, CVE-2026-59132, CVE-2026-59134, CVE-2026-61352, CVE-2026-61363, CVE-2026-50472, CVE-2026-59122, CVE-2026-59125, CVE-2026-59126, CVE-2026-61346, CVE-2026-61348, CVE-2026-61361, CVE-2026-61366, CVE-2026-61927, CVE-2026-61929, CVE-2026-61938, CVE-2026-61939, CVE-2026-62690, CVE-2026-62693, CVE-2026-62705, CVE-2026-62723, CVE-2026-62724, CVE-2026-62725, CVE-2026-62726, CVE-2026-62727, CVE-2026-62728, CVE-2026-62729, CVE-2026-62734, CVE-2026-62748, CVE-2026-62749, CVE-2026-62753, CVE-2026-62766, CVE-2026-62773, CVE-2026-62774, CVE-2026-62780, CVE-2026-62788, CVE-2026-62892, CVE-2026-62908, CVE-2026-65678, CVE-2026-65776, CVE-2026-65778, CVE-2026-65779, CVE-2026-65780, CVE-2026-65781, CVE-2026-65782, CVE-2026-65783, CVE-2026-65788, CVE-2026-70307, CVE-2026-62699, CVE-2026-62702, CVE-2026-62769, CVE-2026-62881, CVE-2026-62883, CVE-2026-65795, CVE-2026-65797, CVE-2026-65798, CVE-2026-65799, CVE-2026-70304, CVE-2026-70330, CVE-2026-59138, CVE-2026-61345, CVE-2026-61918, CVE-2026-61921, CVE-2026-61924, CVE-2026-62750, CVE-2026-62782, CVE-2026-65785, CVE-2026-65794, CVE-2026-62708, CVE-2026-59130, CVE-2026-59131, CVE-2026-59128, CVE-2026-59135, CVE-2026-59136, CVE-2026-59137, CVE-2026-61347, CVE-2026-61360, CVE-2026-61928, CVE-2026-61933, CVE-2026-61936, CVE-2026-62703, CVE-2026-62709, CVE-2026-62730, CVE-2026-62738, CVE-2026-62740, CVE-2026-62743, CVE-2026-62746, CVE-2026-62786, CVE-2026-62793, CVE-2026-62796, CVE-2026-62798, CVE-2026-62887, CVE-2026-65662, CVE-2026-65784, CVE-2026-70348, CVE-2026-62757, CVE-2026-65777, CVE-2026-61368, CVE-2026-61350, CVE-2026-56179
Missing security release
None identified in collected security coverage
Published
11 Aug 2026 00:00 UTC

Source evidence when recorded

Windows 11 releases
Complete at observationRead 14 Oct 2026 at 11:21 UTC
Microsoft security releases
Complete at observationRead 14 Oct 2026 at 11:21 UTC
Windows known issues
Complete at observationRead 14 Oct 2026 at 11:21 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (2)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 14 Oct 2026 · 11:22:42 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  2. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current
ChangeIntel

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