Google Android mbu_class.rs validate_ns_buf input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$5k-$25k0.45-

Summaryinfo

A vulnerability marked as problematic has been reported in Google Android. The impacted element is the function validate_ns_buf of the file mbu_class.rs. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2026-56950. The attack must be initiated from a local position. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Google Android (the affected version is unknown). This affects the function validate_ns_buf of the file mbu_class.rs. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality. The summary by CVE is:

In validate_ns_buf of mbu_class.rs, there is a possible information disclosure due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2026-56950 since 06/23/2026. The exploitability is told to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/15/2026).

Applying a patch is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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: Input validation
CWE: CWE-20
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: 🔒

Timelineinfo

06/23/2026 CVE reserved
09/15/2026 +84 days Advisory disclosed
09/15/2026 +0 days VulDB entry created
09/15/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CVE: CVE-2026-56950 (🔒)
GCVE (CVE): GCVE-0-2026-56950
GCVE (VulDB): GCVE-100-404499
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 09/15/2026 21:04
Changes: 09/15/2026 21:04 (57)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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