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CVE-2026-20574

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 afe 组件中存在一个因“释放后使用”（use-after-free）导致的潜在内存破坏漏洞。如果攻击者已获取系统权限，该漏洞可能被利用以进行本地权限提升。利用此漏洞无需用户交互。补丁编号：ALPS11431400；问题编号：MSV-9922。

AI Predicted 4.4 Difficulty: Hard

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-20574

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In afe, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431400; Issue ID: MSV-9922.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MediaTek, Inc. MediaTek chipset MT2735 -

II. Public POCs for CVE-2026-20574

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III. Intelligence Information for CVE-2026-20574

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Other References for CVE-2026-20574 (1)

Same Patch Batch · MediaTek, Inc. · 2026-11-02 · 56 CVEs total

CVE-2026-20561 Modem 越界写入漏洞：远程拒绝服务，无需交互
CVE-2026-20545 Modem 越界写入漏洞致远程提权
CVE-2026-20550 GNSS 越界写入漏洞，需用户交互，致拒绝服务
CVE-2026-20547 Modem 越界写漏洞：远程提权（补丁 MOLY01874018）
CVE-2026-20548 Modem 越界写入漏洞：远程提权，无需交互
CVE-2026-20549 Modem 越界写入漏洞：远程提权
CVE-2026-20546 Modem 越界写入漏洞：远程提权
CVE-2026-20558 GPU pdma 存在因释放后使用导致的权限提升漏洞
CVE-2026-20559 GPU pdma 内存破坏漏洞：用后释放导致提权
CVE-2026-20560 Modem 版本 MOLY01870543 远程拒绝服务漏洞
CVE-2026-20557 Modem 越界写入漏洞：远程提权
CVE-2026-20562 Modem 越界写入漏洞：远程拒绝服务（MSV-8907）
CVE-2026-20563 Modem 越界写入漏洞：远程拒绝服务
CVE-2026-20564 Modem 越界写入漏洞，导致拒绝服务
CVE-2026-20565 Modem 越界写入漏洞：权限提升风险
CVE-2026-20566 Modem 越界写入漏洞：远程拒绝服务，需系统权限
CVE-2026-20567 afe 越界写入漏洞：特权升级，无需交互
CVE-2026-20568 afe 存在释放后使用漏洞，可致系统崩溃及提权
CVE-2026-20569 adsp 中因释放后使用导致内存破坏及权限提升漏洞
CVE-2026-20570 adsp 存在 UAF 漏洞，可导致本地权限提升

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: MediaTek chipset
Same vendor: MediaTek, Inc.
Same weakness: CWE-843