CVE-2026-20495: CWE-862 Missing Authorization in MediaTek, Inc. MediaTek chipset
In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20495) in MediaTek Bluetooth drivers is due to a missing authorization check (CWE-862). It permits a local attacker with user execution privileges to bypass permission controls, potentially escalating privileges locally. The flaw affects multiple MediaTek chipset models. The CVSS v3.1 score is 7.8, reflecting high impact on confidentiality, integrity, and availability. No user interaction is required for exploitation. The vendor has assigned Patch ID WCNCR00488300 and Issue ID MSV-7296, but no public patch or remediation guidance is currently available.
Potential Impact
Successful exploitation can lead to local privilege escalation, allowing an attacker to gain higher privileges than intended. This can compromise system confidentiality, integrity, and availability. The vulnerability requires local access with user execution privileges but does not require user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been publicly disclosed at this time.
CVE-2026-20495: CWE-862 Missing Authorization in MediaTek, Inc. MediaTek chipset
Description
In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.
CVSS v3.1
Score 7.8high
Affected software
MediaTek, Inc.
MediaTek chipset
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20495) in MediaTek Bluetooth drivers is due to a missing authorization check (CWE-862). It permits a local attacker with user execution privileges to bypass permission controls, potentially escalating privileges locally. The flaw affects multiple MediaTek chipset models. The CVSS v3.1 score is 7.8, reflecting high impact on confidentiality, integrity, and availability. No user interaction is required for exploitation. The vendor has assigned Patch ID WCNCR00488300 and Issue ID MSV-7296, but no public patch or remediation guidance is currently available.
Potential Impact
Successful exploitation can lead to local privilege escalation, allowing an attacker to gain higher privileges than intended. This can compromise system confidentiality, integrity, and availability. The vulnerability requires local access with user execution privileges but does not require user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been publicly disclosed at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.026Z
- State
- PUBLISHED
Threat ID: 6a700186bf32cb7a34d5cafc
Added to database: 08/03/2026, 02:48:38 UTC
Last enriched: 08/10/2026, 14:31:55 UTC
Last updated: 09/16/2026, 22:01:33 UTC
Views: 65
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