KVM: x86: check for nEPT/nNPT in slow flush hypercalls
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability concerns the KVM hypervisor on x86 platforms, specifically involving the handling of nested Extended Page Tables (nEPT) or nested Nested Page Tables (nNPT) during slow flush hypercalls. The exact nature and impact of the vulnerability are not detailed in the provided data. No CVSS score or exploit information is available, and no patch or mitigation details have been disclosed.
Potential Impact
The impact of this vulnerability is not explicitly described in the provided data. There are no known exploits in the wild, and no information about potential consequences such as privilege escalation, denial of service, or data leakage is given.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Microsoft Security Response Center advisories for updates regarding this vulnerability.
KVM: x86: check for nEPT/nNPT in slow flush hypercalls
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns the KVM hypervisor on x86 platforms, specifically involving the handling of nested Extended Page Tables (nEPT) or nested Nested Page Tables (nNPT) during slow flush hypercalls. The exact nature and impact of the vulnerability are not detailed in the provided data. No CVSS score or exploit information is available, and no patch or mitigation details have been disclosed.
Potential Impact
The impact of this vulnerability is not explicitly described in the provided data. There are no known exploits in the wild, and no information about potential consequences such as privilege escalation, denial of service, or data leakage is given.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Microsoft Security Response Center advisories for updates regarding this vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46131
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19fedce29bf47b500fe645
Added to database: 5/29/2026, 9:02:20 PM
Last enriched: 5/29/2026, 9:17:41 PM
Last updated: 5/31/2026, 4:55:14 AM
Views: 8
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