CVE-2026-69591
Windows NTFS Information Disclosure vulnerability
MSRC advisory September 8, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-69591
- Affected products
- Windows NTFS Information Disclosure · Microsoft Windows NTFS Information Disclosure · Microsoft
What happened
<p>Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information over a network.</p>
What it means for your business
Windows NTFS Information Disclosure vulnerability (CVE-2026-69591) was added to Microsoft’s security update guidance. <p>Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information over a network.</p> If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
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