CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8$0-$5k1.23

Summaryinfo

A vulnerability was found in MediaTek MT2718, MT6768, MT6769, MT6789, MT6833, MT6855, MT6877, MT8186, MT8188, MT8189, MT8195, MT8196, MT8367, MT8391, MT8395, MT8668, MT8676, MT8678, MT8696, MT8781, MT8788E, MT8792, MT8793, MT8799 and MT8910 and classified as very critical. The impacted element is an unknown function of the component mtee. The manipulation results in type confusion. This vulnerability was named CVE-2026-20587. The attack needs to be approached locally. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as very critical, was found in MediaTek MT2718, MT6768, MT6769, MT6789, MT6833, MT6855, MT6877, MT8186, MT8188, MT8189, MT8195, MT8196, MT8367, MT8391, MT8395, MT8668, MT8676, MT8678, MT8696, MT8781, MT8788E, MT8792, MT8793, MT8799 and MT8910. Affected is an unknown code of the component mtee. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In mtee, there is a possible escalation of privilege due to type confusion. 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: ALPS11383899; Issue ID: MSV-9608.

The advisory is shared for download at mediatek.com. This vulnerability is traded as CVE-2026-20587 since 11/03/2025. The exploitability is told to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/05/2026).

Applying the patch ALPS11383899 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Type confusion
CWE: CWE-843
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ALPS11383899

Timelineinfo

11/03/2025 CVE reserved
10/05/2026 +335 days Advisory disclosed
10/05/2026 +0 days VulDB entry created
10/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: mediatek.com
Status: Confirmed

CVE: CVE-2026-20587 (🔒)
GCVE (CVE): GCVE-0-2026-20587
GCVE (VulDB): GCVE-100-413508

Entryinfo

Created: 10/05/2026 04:38
Changes: 10/05/2026 04:38 (54)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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