Summary
Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?
In this case, a successful attack could be performed from a low privilege Hyper-V guest. The attacker could traverse the guest's security boundary to cause denial of service on the Hyper-V host environment.
Security updates
10.0.26200.6899 — https://support.microsoft.com/help/5066835
Vulnerabilities 1
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High 7.7
DirectX Graphics Kernel Denial of Service Vulnerability
Null pointer dereference in Windows DirectX allows an authorized attacker to deny service over a network.
Revision history
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#1
Information published.
References
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CVE-2025-55698 DirectX Graphics Kernel Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55698
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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