1. Home
  2. Vulnerabilities
  3. CVE-2026-20435
4.6
MEDIUM CVSS 3.1
CVE-2026-20435
Samsung Preloader Device Unique Identifier Read Vulnerability
Description

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

INFO

Published Date :

March 2, 2026, 9:16 a.m.

Last Modified :

March 2, 2026, 2:16 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2026-20435 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

: Total Affected Vendor : 0 | Products : 0
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Apply updates to the preloader to fix logic errors and prevent device unique identifier disclosure.
  • Update the preloader software.
  • Address logic errors in the preloader.
  • Review access controls for sensitive identifiers.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-20435.

URL Resource
https://corp.mediatek.com/product-security-bulletin/March-2026
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20435 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-20435 weaknesses.

CAPEC-50: Password Recovery Exploitation Password Recovery Exploitation CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-474: Signature Spoofing by Key Theft Signature Spoofing by Key Theft CAPEC-509: Kerberoasting Kerberoasting CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-555: Remote Services with Stolen Credentials Remote Services with Stolen Credentials CAPEC-560: Use of Known Domain Credentials Use of Known Domain Credentials CAPEC-561: Windows Admin Shares with Stolen Credentials Windows Admin Shares with Stolen Credentials CAPEC-600: Credential Stuffing Credential Stuffing CAPEC-644: Use of Captured Hashes (Pass The Hash) Use of Captured Hashes (Pass The Hash) CAPEC-645: Use of Captured Tickets (Pass The Ticket) Use of Captured Tickets (Pass The Ticket) CAPEC-652: Use of Known Kerberos Credentials Use of Known Kerberos Credentials CAPEC-653: Use of Known Operating System Credentials Use of Known Operating System Credentials

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-20435 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-20435 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 02, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • New CVE Received by [email protected]

    Mar. 02, 2026

    Action Type Old Value New Value
    Added Description In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.
    Added CWE CWE-522
    Added Reference https://corp.mediatek.com/product-security-bulletin/March-2026
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.6
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact