fbcon: Avoid OOB font access if console rotation fails
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves the fbcon console driver component, where a failure in console rotation can lead to out-of-bounds font access. The issue affects Microsoft and Azure Linux 3.0 products. No detailed technical information or exploit techniques are described in the source data. No CVSS score or patch information is available, and no known active exploitation has been reported.
Potential Impact
The impact potentially involves out-of-bounds memory access related to font rendering in the console, which could lead to stability or security issues. However, without further technical details or exploit reports, the precise impact remains unclear.
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.
fbcon: Avoid OOB font access if console rotation fails
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 involves the fbcon console driver component, where a failure in console rotation can lead to out-of-bounds font access. The issue affects Microsoft and Azure Linux 3.0 products. No detailed technical information or exploit techniques are described in the source data. No CVSS score or patch information is available, and no known active exploitation has been reported.
Potential Impact
The impact potentially involves out-of-bounds memory access related to font rendering in the console, which could lead to stability or security issues. However, without further technical details or exploit reports, the precise impact remains unclear.
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.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46191
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19fedae29bf47b500fe5e8
Added to database: 5/29/2026, 9:02:18 PM
Last enriched: 5/29/2026, 9:16:30 PM
Last updated: 5/31/2026, 4:56:26 AM
Views: 6
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