Microsoft: Windows 11 KB5132061 November 2026 update fails on PCs with October preview KB5127936; automatic fix rolling out
Matéria consolidada. Reúne 4 matérias que o Tifon tinha publicado separadamente sobre a mesma história. A IA reescreveu o relatório com o que as 3 fontes trouxeram em 13/11/2026 12:08; os links antigos trazem para cá.
Fontes: securityonline.info ↗ zdnet.com ↗ bleepingcomputer.com ↗
Microsoft confirmed that the November 2026 Patch Tuesday security update KB5132061 fails to install on some Windows 11 devices that previously installed the October 2026 non-security preview update KB5127936 (bleepingcomputer.com). Affected users see error codes 0x80070306, 0x800f0989 or 0x800f0993, and the installation can freeze partway (securityonline.info reports stalls at 99%) or retry repeatedly (bleepingcomputer.com, zdnet.com, securityonline.info). Microsoft says the problem affects a limited subset of devices and does not affect those that skipped the October preview (bleepingcomputer.com). A later report ties the failures to a conflict with Windows Sandbox components and says Microsoft deployed a server-side fix (securityonline.info, 2026-11-13). The fix began rolling out automatically from November 11, 2026, and should take effect within 24 to 48 hours without user action (bleepingcomputer.com, zdnet.com, securityonline.info). Because the update is a mandatory security release, affected systems may stay unpatched until the fix arrives and the installation is retried successfully.
Detalhes técnicos
- Affected update: KB5132061 (November 2026 security update, Windows 11). securityonline.info lists the targeted versions as 24H2, 25H2 and 26H2.
- Trigger condition: prior installation of preview update KB5127936, dated October 28 (zdnet.com). securityonline.info does not mention the preview and instead links the failures to Windows Sandbox components.
- Symptoms: failed installs, repeated install attempts and installation freezing, including stalls at 99%, with errors 0x80070306, 0x800f0989 and 0x800f0993 (bleepingcomputer.com, zdnet.com, securityonline.info).
- Cause: zdnet.com attributes the failure to an incompatibility or conflict between the preview and the Patch Tuesday update. securityonline.info, the most specific source, points to a conflict with Windows Sandbox components. bleepingcomputer.com does not state a root cause, and Microsoft's own explanation is not quoted in any source.
- Fix mechanism: securityonline.info describes the fix as server-side, with automatic recovery within 24 to 48 hours.
- bleepingcomputer.com notes that similar update installation problems have occurred with Windows 11 updates earlier in 2026.
Remediação
- No manual action is required. Microsoft is delivering a fix automatically to affected devices (bleepingcomputer.com, securityonline.info).
- Keep devices connected to the internet and configured to receive updates through Windows Update, so the update installs when retried (zdnet.com).
- Administrators can manually install the update to speed up remediation (securityonline.info).
- As a temporary workaround, disabling Windows Sandbox may allow the install to proceed (securityonline.info). This is reported by a single source and is not confirmed by Microsoft in the available material.
- Administrators should contact Microsoft support if the issue persists beyond 24 to 48 hours after the fix reaches the device (bleepingcomputer.com).
- Defenders should confirm that KB5132061 is actually installed on devices that took the October preview, rather than assuming Patch Tuesday coverage.
Relatos divergentes
- Cause: zdnet.com blames a conflict between preview KB5127936 and KB5132061. securityonline.info (more recent, 2026-11-13, and more specific) attributes the failures to Windows Sandbox component conflicts and does not mention the preview. bleepingcomputer.com gives no cause. Neither explanation is confirmed by a Microsoft quote.
- Scope: bleepingcomputer.com says a limited subset of devices is affected, limited to those that installed the October preview. securityonline.info describes the failures as widespread.
Linha do tempo
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Windows 11 KB5132061 Update Causes Installation Failures Due to Windows Sandbox Conflict; Microsoft Deploys Server-Side Fix
ler a análise desta fonte ocultar
The Windows 11 cumulative security update KB5132061, targeting versions 24H2, 25H2, and 26H2, caused widespread installation failures shortly after release. Users experienced installation stalls at 99% with various error codes (e.g., 0x800f0993, 0x80070306) linked to conflicts with Windows Sandbox components. Microsoft quickly diagnosed the issue and deployed a server-side fix to resolve the problem, allowing automatic recovery within 24 to 48 hours without user intervention. Administrators can also manually install the update to expedite remediation. Temporarily disabling Windows Sandbox offers a manual workaround for affected users.
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Microsoft Windows November Patch Fails on PCs with October Preview Installed; Fix Rolling Out
ler a análise desta fonte ocultar
The November 2026 Windows update (KB5132061) has been reported to fail installation on some Windows 11 systems that previously installed the October 28 preview update (KB5127936). Users may encounter repeated installation attempts or error codes such as 0x80070306, 0x800f0989, or 0x800f0993. The issue arises due to incompatibility or conflict between the preview and the mandatory Patch Tuesday update. Microsoft is deploying a fix expected to reach affected PCs within 24 to 48 hours from November 11, 2026, ensuring successful installation when the update is retried. Users should ensure their devices are connected to the internet and configured to receive updates via Windows Update.
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Microsoft confirms Windows 11 November 2026 security update installation issues with KB5132061
ler a análise desta fonte ocultar
Microsoft has acknowledged problems with the installation of the November 2026 security update (KB5132061) on Windows 11 devices that had installed the October 2026 non-security preview update (KB5127936). Users experience installation failures accompanied by error codes 0x80070306, 0x800f0989, or 0x800f0993, with the update process freezing partway. This issue impacts a limited subset of Windows 11 devices and will not affect those that skipped the October preview update. The company has assured that a repair will be automatically delivered to affected devices starting November 11, 2026, aiming to resolve the problem within 24 to 48 hours without user intervention. Microsoft has advised administrators to contact support if issues persist beyond this timeframe. Previous similar update installation problems have occurred in 2026 with Windows 11 updates, indicating ongoing challenges with update deployment for some users.