CVE-2026-57091
Windows File History Service Elevation of Privilege vulnerability
MSRC advisory September 22, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-57091
- Affected products
- Windows File History Service Elevation of Privilege · Microsoft Windows File History Service Elevation of Privilege · Microsoft
What happened
Updated an acknowledgement. This is an informational change only.
What it means for your business
Windows File History Service Elevation of Privilege vulnerability (CVE-2026-57091) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Sources
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