Microsoft releases September 2026 Patch Tuesday updates to resolve desktop settings loss issue
Patch addresses known bug causing Windows desktop configuration reset; no security vulnerability identified
Key Takeaways
- Microsoft released September 2026 Patch Tuesday updates to fix a known bug causing Windows desktop settings loss.
- The issue affected wallpaper, themes, taskbar layout, and display settings on some Windows devices.
- Microsoft confirmed the bug was a functional issue, not a security vulnerability.
- No active exploitation has been reported.
- Users are advised to apply the September 2026 updates to prevent further setting loss.
Quick answers
- What happened?
- Microsoft has released the September 2026 Patch Tuesday updates to fix a known issue affecting Windows devices where desktop settings such as wallpaper, themes, and taskbar layout were being lost or reset after updating. The company confirmed the issue was a functional bug, not a security vulnerability, and no active exploitation has been reported.
- Which products are affected?
- Windows
- What should defenders do?
- Apply the September 2026 Patch Tuesday updates released by Microsoft. These updates are distributed via Windows Update and are recommended for all Windows users to restore and preserve desktop configuration settings.
Microsoft has released the September 2026 Patch Tuesday updates to address a known issue causing Windows desktop settings to be lost or reset on some devices. According to the company and reporting by BleepingComputer, the bug resulted in users experiencing the loss of wallpaper, themes, taskbar layout, and display settings following the application of updates. Microsoft clarified that this was a known bug affecting functionality rather than a security vulnerability allowing remote code execution. No active exploitation of the issue has been reported. The updates are recommended for all Windows users to prevent further configuration loss and restore expected desktop behavior. Microsoft has not assigned a CVE number to the issue, classifying it as a bug fix released as part of the regular Patch Tuesday cycle.
Security Details
The issue was a known bug causing unintended loss or reset of desktop settings (wallpaper, themes, taskbar layout, display settings) after applying September 2026 Patch Tuesday updates. Microsoft confirmed no security vulnerability or remote code execution risk was involved.
Affected products
Windows
Mitigation
Apply the September 2026 Patch Tuesday updates released by Microsoft. These updates are distributed via Windows Update and are recommended for all Windows users to restore and preserve desktop configuration settings.
Sources
BleepingComputer
Microsoft fixes bug that wiped Windows desktop settings
Sep 10, 2026 · 08:08
Original link
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