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CVE-2026-20514

Quick assessment

Affected
MediaTek, Inc. MediaTek chipset
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在音频HAL（硬件抽象层）中，由于缺少权限检查，可能存在信息泄露漏洞。如果恶意行为者已获得系统（System）权限，则可能导致本地信息泄露。利用该漏洞无需用户交互。补丁编号：ALPS11087632；问题编号：MSV-8244。

AI Predicted 4.6 Difficulty: Moderate
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I. Basic Information for CVE-2026-20514

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Audio HAL, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11087632; Issue ID: MSV-8244.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MediaTek, Inc. MediaTek chipset MT2718 -

II. Public POCs for CVE-2026-20514

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III. Intelligence Information for CVE-2026-20514

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Vendor Advisories for CVE-2026-20514 (1)

Same Patch Batch · MediaTek, Inc. · 2026-09-07 · 18 CVEs total

CVE-2026-20508 Power HAL 类型混淆致本地提权漏洞
CVE-2026-20500 Modem 输入验证不当致本地拒绝服务
CVE-2026-20501 vdec堆缓冲区溢出：本地提权
CVE-2026-20502 vdec 缓冲区越界写导致本地提权
CVE-2026-20503 Modem：UE连接攻击者基站致远程拒绝服务
CVE-2026-20504 Modem缺失边界检查导致远程拒绝服务
CVE-2026-20516 MiracastService 权限提升漏洞
CVE-2026-20506 Audio HAL UAF 本地权限提升漏洞
CVE-2026-20507 Audio HAL：系统权限下use after free提权漏洞
CVE-2026-20518 geniezone 越界检查缺失致信息泄露
CVE-2026-20509 Power HAL越界写导致本地提权
CVE-2026-20510 相机中间件双重重用致本地提权
CVE-2026-20511 SurfaceFlinger 内存破坏（Use-After-Free）致本地提权
CVE-2026-20512 Audio HAL权限提升漏洞
CVE-2026-20513 Audio HAL信息泄露：System权限下本地信息暴露
CVE-2026-20515 GPU系统因释放后使用致崩溃并泄露信息
CVE-2026-20517 GenieZone 系统权限提升漏洞（UAF）

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-307

V. Comments for CVE-2026-20514

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