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CVE-2021-34458 · Windows Kernel Remote Code Execution Vulnerability

No description was published by MSRC.

Severity
Critical
Impact
Remote Code Execution
CVSS
9.9 base · 8.6 temporal
Release
2021-07-13
Signals
Windows Kernel Remote Code Execution Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
No CWE data published.
Patch Diff
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Resolved binary override
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Description
No description was published by MSRC.
FAQ / Articles
FAQ
How do I know if I'm affected by this vulnerability? This issue allows a single root input/output virtualization (SR-IOV) device which is assigned to a guest to potentially interfere with its Peripheral Component Interface Express (PCIe) siblings which are attached to other guests or to the root. You will be vulnerable if you implement the following: Your Windows instance is hosting virtual machines Your Server includes the required hardware with SR-IOV devices