Google Android up to 17 ActivityStarter ActivityStarter.java resolveToHeavyWeightSwitcherIfNeeded privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
9.5$25k-$100k0.40+

Summaryinfo

A vulnerability identified as very critical has been detected in Google Android 14/15/16/16-qpr2/17. This affects the function resolveToHeavyWeightSwitcherIfNeeded of the file ActivityStarter.java of the component ActivityStarter. This manipulation causes privileges management. This vulnerability is registered as CVE-2026-58957. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as very critical was found in Google Android 14/15/16/16-qpr2/17. Affected by this vulnerability is the function resolveToHeavyWeightSwitcherIfNeeded of the file ActivityStarter.java of the component ActivityStarter. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In resolveToHeavyWeightSwitcherIfNeeded of ActivityStarter.java, there is a possible background activity launch due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2026-58957 since 07/02/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 11/02/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

07/02/2026 CVE reserved
11/02/2026 +123 days Advisory disclosed
11/02/2026 +0 days VulDB entry created
11/02/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CNA: google_android
CVE: CVE-2026-58957 (🔒)

GCVE (CVE): GCVE-0-2026-58957
GCVE (VulDB): GCVE-100-430075
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/02/2026 21:35
Changes: 11/02/2026 21:35 (59)
Complete: 🔍
Cache ID: 216::103

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

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