CVE-2026-65784: Windows NTFS Information Disclosure Vulnerability

Published Aug 11, 2026
·
Updated

Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.

Other sources

Windows NTFS Information Disclosure Vulnerability

Microsoft

Affected Software

8 affected componentsFixes available
Microsoft Windows Server 2019<10.0.17763.9115
10.0.17763.9115
Microsoft Windows Server 2022<10.0.20348.5499, <10.0.20348.5440
10.0.20348.549910.0.20348.5440
Microsoft Windows Server 2019<10.0.17763.9115
10.0.17763.9115
Microsoft Windows Server 2022<10.0.20348.5499, <10.0.20348.5440
10.0.20348.549910.0.20348.5440
Microsoft Windows 10=1809
10.0.17763.9115
Microsoft Windows 10=1809
10.0.17763.9115
Microsoft Windows 10=21H2
10.0.19044.7663
Microsoft Windows 10=21H2
10.0.19044.7663

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.9115Patch KB5120238
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.7663Patch KB5120249

Event History

Aug 11, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:05 PM
Data Sourced
via MITRE·05:05 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-65784?

CVE-2026-65784 has a medium severity rating of 5.5.

2

How do I fix CVE-2026-65784?

To fix CVE-2026-65784, users should apply the latest security updates provided by Microsoft.

3

What systems are affected by CVE-2026-65784?

CVE-2026-65784 affects Microsoft Windows 10, Windows Server 2019, and Windows Server 2022.

4

What is the nature of the vulnerability in CVE-2026-65784?

CVE-2026-65784 is an out-of-bounds read vulnerability that allows information disclosure.

5

Who can exploit CVE-2026-65784?

CVE-2026-65784 can be exploited by an authorized attacker with local access to the affected systems.

Contact

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