Microsoft confirms major Windows data-deletion bug and shares fix

If your files were deleted due to the latest Windows Update, you might be able to get them back.



What you need to know


Microsoft acknowledged the deletion bug that's present in the latest Windows Update.
For some people, Windows 10 KB4532693 deleted all files on the desktop and caused the Start Menu and settings to boot up in their default state.
The fix Microsoft shares won't work in all cases but could help get your files back.


Microsoft acknowledged that the latest Windows Update has a bug that could delete people's files and cause the Start Menu and settings to boot up in their default state. The company also has a fix that could restore people's files in some cases. While the bug doesn't appear to be widespread, it is a serious issue for those affected. In some cases, the deleted files cannot be recovered, at least with the methods tried so far.

The deletion issue came with Windows 10 KB4532693, which shipped recently. People on a Microsoft answers forum highlighted the is...

nmap -sV --script vuln -p- <target-network>

tail -f /var/log/suricata/fast.log | grep <cve>

Check Vendor Security Advisory Bulletin

title: Detect Exploitation - Microsoft confirms major Windows data-deletion bug and shares fix
id: ea98fd49-2b15-435f-a9d4-9fce26d17f59
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access

rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-24"
        description = "YARA Signature for "
    strings:
        $str = "Microsoft confirms major Windo" ascii wide
    condition:
        any of them
}