Microsoft Windows 365 Office installation disruption
Service Disruption
Summary
Hide ▲
Show ▼
The Windows 365 service update has introduced a configuration change that is blocking Office downloads and installs for some customers, disrupting access on cloud PCs. Microsoft says any user trying to install Office on a Windows 365 device may be affected. The issue is tracked as WP1309017 and Microsoft is developing a fix, with the next update planned for Friday.
Related Happenings
Microsoft Office launch disruption after June 2026 Windows updates
Service Disruption
H score0
First: 17.06.2026 14:54
Last: 17.06.2026 14:54
Sources 1
About this happening:
Microsoft is investigating a **Windows update-related disruption** that can stop **third-party applications** from launching **Word, Excel, PowerPoint, Access** or opening documen...
Microsoft Office launch disruption after June 2026 Windows updates
Service DisruptionAbout this happening: Microsoft is investigating a **Windows update-related disruption** that can stop **third-party applications** from launching **Word, Excel, PowerPoint, Access** or opening documen...
Microsoft 365 Copilot Enterprise SearchLeak remote code execution flaw (CVE-2026-42824)
Vulnerability
H score34
First: 15.06.2026 16:00
Last: 15.06.2026 16:00
Sources 1
About this happening:
**Microsoft 365 Copilot Enterprise Search** has a **critical** vulnerability chain, **SearchLeak**, that could let a user leak **emails, calendar details, MFA codes, and indexed f...
Microsoft 365 Copilot Enterprise SearchLeak remote code execution flaw (CVE-2026-42824)
VulnerabilityAbout this happening: **Microsoft 365 Copilot Enterprise Search** has a **critical** vulnerability chain, **SearchLeak**, that could let a user leak **emails, calendar details, MFA codes, and indexed f...
Microsoft hit by cyberattack
Incident
H score68
First: 09.06.2026 18:42
Last: 09.06.2026 18:42
Sources 1
About this happening:
A **Microsoft** GitHub repository removal incident in **June 2026** disrupted **continuous integration pipelines** and briefly broke **Azure/functions-action** workflows used by d...
Microsoft hit by cyberattack
IncidentAbout this happening: A **Microsoft** GitHub repository removal incident in **June 2026** disrupted **continuous integration pipelines** and briefly broke **Azure/functions-action** workflows used by d...
Microsoft 365 Android apps token-sharing flaw (multiple vulnerabilities)
Vulnerability
H score21
First: 03.06.2026 17:56
Last: 03.06.2026 17:56
Sources 1
About this happening:
**Microsoft 365 Android apps** were exposed by a leftover **setIsDebugMode(true)** flag that let same-device apps steal account tokens and act as the signed-in user. The flaw coul...
Microsoft 365 Android apps token-sharing flaw (multiple vulnerabilities)
VulnerabilityAbout this happening: **Microsoft 365 Android apps** were exposed by a leftover **setIsDebugMode(true)** flag that let same-device apps steal account tokens and act as the signed-in user. The flaw coul...
Microsoft Teams and Office for the web file-opening outage
Service Disruption
H score25
First: 01.06.2026 17:36
Last: 01.06.2026 17:36
Sources 1
About this happening:
Microsoft is investigating an ongoing **service disruption** that is blocking **Teams** and **Office for the web** users from opening files, disrupting access to shared documents...
Microsoft Teams and Office for the web file-opening outage
Service DisruptionAbout this happening: Microsoft is investigating an ongoing **service disruption** that is blocking **Teams** and **Office for the web** users from opening files, disrupting access to shared documents...
Timeline
-
13.05.2026 14:53 2 articles · 1mo ago
Windows 365 Office installation issue acknowledged
Initial DisclosureMicrosoft says some customers on Windows 365 devices cannot download or install Office after a recent service update introduced a configuration change; the issue is tracked as WP1309017 and was first acknowledged on Tuesday, May 12.
Show sources
- Microsoft says some users can't install Office on Windows 365 devices — www.bleepingcomputer.com — 13.05.2026 14:53
- Microsoft says some users can't install Office on Windows 365 devices — www.bleepingcomputer.com — 13.05.2026 14:53
-
13.05.2026 14:53 1 articles · 1mo ago
Microsoft develops fix and advises a manual Office download workaround
Mitigation Patch UpdateMicrosoft says it is developing a fix for the Windows 365 Office installation issue, plans to deploy it to the affected environment, says validation and deployment will take time, and advises affected users to manually download Office from the Microsoft 365 page until the problem is resolved.
Show sources
- Microsoft says some users can't install Office on Windows 365 devices — www.bleepingcomputer.com — 13.05.2026 14:53