KVM: nSVM: Avoid clearing VMCB_LBR in vmcb12
CVE-2026-46071 is a vulnerability related to KVM's handling of the VMCB_LBR field in vmcb12, as identified by the Microsoft Security Response Center. The provided description does not include technical details or impact specifics. There is no CVSS score assigned, and no known exploits in the wild have been reported. The vulnerability affects Microsoft products including Azure Linux 3. 0. No patch or remediation information is currently available.
AI Analysis
Technical Summary
This vulnerability concerns the KVM (Kernel-based Virtual Machine) component, specifically the nSVM feature and the handling of the VMCB_LBR field in vmcb12. The advisory lacks detailed technical information, and no CVSS score or exploit data is provided. The affected products include Microsoft and Azure Linux 3.0 versions. No patch or mitigation details are included in the available data.
Potential Impact
The impact of this vulnerability is not clearly described in the provided information. There are no known exploits in the wild, and no CVSS score is assigned to quantify severity. Without further details, the potential consequences remain unclear.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No specific mitigation or workaround information is provided at this time.
KVM: nSVM: Avoid clearing VMCB_LBR in vmcb12
Description
CVE-2026-46071 is a vulnerability related to KVM's handling of the VMCB_LBR field in vmcb12, as identified by the Microsoft Security Response Center. The provided description does not include technical details or impact specifics. There is no CVSS score assigned, and no known exploits in the wild have been reported. The vulnerability affects Microsoft products including Azure Linux 3. 0. No patch or remediation information is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns the KVM (Kernel-based Virtual Machine) component, specifically the nSVM feature and the handling of the VMCB_LBR field in vmcb12. The advisory lacks detailed technical information, and no CVSS score or exploit data is provided. The affected products include Microsoft and Azure Linux 3.0 versions. No patch or mitigation details are included in the available data.
Potential Impact
The impact of this vulnerability is not clearly described in the provided information. There are no known exploits in the wild, and no CVSS score is assigned to quantify severity. Without further details, the potential consequences remain unclear.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No specific mitigation or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46071
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab95e29bf47b50289740
Added to database: 5/28/2026, 8:54:45 PM
Last enriched: 5/28/2026, 9:14:33 PM
Last updated: 5/29/2026, 6:00:57 PM
Views: 6
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