CVE-2026-58640: Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
Other sources
Windows NTFS Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
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Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
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Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
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Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
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Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
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Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.22631.7376Patch KB5099414 - Upgrade
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Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.17763.9020Patch KB5099538 - Upgrade
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Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
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Fixed in 10.0.26200.8875Patch KB5101650
Event History
Frequently Asked Questions
What is the severity of CVE-2026-58640?
CVE-2026-58640 has a severity rating of 7.3, classified as high.
How do I fix CVE-2026-58640?
To address CVE-2026-58640, ensure you apply the latest security patches and updates provided by Microsoft.
What systems are affected by CVE-2026-58640?
CVE-2026-58640 affects Microsoft Windows 10, Windows 11, and various versions of Windows Server, including 2012, 2016, 2019, 2022, and 2025.
What type of vulnerability is CVE-2026-58640?
CVE-2026-58640 is a heap-based buffer overflow vulnerability in Windows NTFS.
What can an attacker achieve by exploiting CVE-2026-58640?
An authorized attacker can execute local code on the affected Windows systems by exploiting CVE-2026-58640.