Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
Exploiting this vulnerability could allow the disclosure of certain kernel memory content.
According to the CVSS metric, attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation requires an administrator to have enabled a specific non-default storage platform feature on the affected system. That prior configuration cannot be enabled by an ordinary user and is outside the attacker's control.
Security updates
10.0.26100.9974 — https://support.microsoft.com/help/5132061
10.0.26100.9911 — https://support.microsoft.com/help/5132043
10.0.26100.33822 — https://support.microsoft.com/help/5131080
10.0.26100.33730 — https://support.microsoft.com/help/5131077
10.0.28000.3501 — https://support.microsoft.com/help/5132059
Vulnerabilities 1
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Medium 4.0
Storport.sys Driver Information Disclosure Vulnerability
Out-of-bounds read in Storport.sys Driver allows an authorized attacker to disclose information with a physical attack.
Revision history
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#1
Information published.
References
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CVE-2026-119395 Storport.sys Driver Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119395
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss