Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessInstall low-privilege malicious app
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DeliveryInvoke vulnerable background-activity path
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ExploitTrigger logic-error privilege check bypass
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ExecutionLaunch privileged background activity
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ImpactGain local elevated privileges
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V15 - Secure Coding and Architecture Protection mechanism completeness
|
| Exploitation Conditions | Exploitation requires local presence on the device - the attacker must already be able to run code, which in the Android model means a malicious or compromised app installed on the handset (AV:L). Per the CVSS vector no elevated privileges (PR:N) and no user interaction (UI:N) are needed once that app is running, and the description states no additional execution privileges are needed and user interaction is not required. The limiting factors are therefore: no remote/network reachability (the attacker cannot trigger this over the network), and the need to get code onto the device first; realistic risk is scoped to scenarios where a hostile app is already installed. The specific vulnerable component/feature is not named by the vendor ('multiple locations'), so no configuration-specific precondition can be confirmed from the available sources. |
| Impact | Signals are moderately consistent but point to a serious-yet-not-emergency local flaw. The CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, 8.4 High) describes a local, low-complexity escalation with total impact to confidentiality, integrity and availability, which aligns with the description of a logic error enabling unauthorized background activity launch leading to local privilege escalation. The SSVC framework corroborates severity on impact (Technical Impact: total) while tempering urgency: Exploitation is 'none' (no observed or public exploitation) and Automatable is 'no', meaning this is not a mass-exploitable remote bug but a device-local escalation requiring an attacker to already have code running on the device (the standard Android local-privesc model of a malicious or compromised app). This is not in CISA KEV and no POC is referenced, so it is not confirmed actively exploited. EPSS was not provided in the input, so exploitation probability cannot be quantified here. The vuln.today priority of 'this_week' is consistent with a high-impact local escalation that is patched but not under active exploitation - a real patch priority for the Android fleet rather than a drop-everything emergency. One note of caution: the description is Android's generic template ('multiple locations', 'logic error') and does not identify the exact component, so the precise trigger is not described in the available sources. |
| Exploit ScenarioDerived | A user installs a malicious or trojanized app that holds no special permissions; the app abuses the logic error to launch background activities it should not be allowed to, escalating to higher privileges on the device without any user interaction. No public exploit code is referenced, so this reflects the mechanism implied by the CVSS local vector (AV:L/AC:L/PR:N/UI:N) rather than a demonstrated exploit. |
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Alert meAnalysisAIv1 – Nov 02, 2026
A logic error in Android's background activity launch handling (tracked as CVE-2026-58837, CWE-693 protection mechanism failure) allows a locally installed app to escalate privileges and gain high confidentiality, integrity and availability impact on the device. Affected branches are Android 14, 15, 16, 16-QPR2 and 17, with a CVSS 3.1 base score of 8.4 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H); the trigger is local only - a hostile or compromised app must already be running on the handset, but once it is, no elevated privileges and no user interaction are required. There is no public exploit identified at time of analysis (CISA SSVC Exploitation: none), and the flaw is addressed through the Android Security Bulletin dated 2026-11-01; the vendor does not name the specific components ('multiple locations'), so no configuration-specific precondition can be confirmed.
RemediationAI
Apply the Android security update described in the November 2026 Android Security Bulletin (https://source.android.com/docs/security/bulletin/2026/2026-11-01), which is the vendor-released fix covering the Android 14, 15, 16, 16-QPR2 and 17 branches; confirm on each device that the security patch level matches the bulletin, since OEM and carrier builds lag Google's publication. Until a device is updated, the exposure is limited to the local attack surface: the practical compensating control is to restrict installation of untrusted applications (keep 'install unknown apps' disabled for all sources, and avoid sideloaded or unverified APKs), because exploitation requires a hostile app already executing on the handset - the trade-off is reduced flexibility for developers and power users who sideload, and this control does not protect against a compromised legitimate app. Enterprise-managed fleets can additionally use managed Google Play and app-allowlisting policies to shrink the set of apps that could serve as the local foothold, at the cost of administrative overhead and reduced user autonomy. No network-facing mitigation is applicable, as no remote vector is described.
Affected VersionsENISA
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Technical ContextAI · show details
Android enforces a set of restrictions on which apps may launch activities in the background - historically implemented through background activity launch (BAL) gating in the activity manager, tied to foreground service state, visible windows, PendingIntent sender identity and similar privileges. CVE-2026-58837 is classified as CWE-693 (Protection Mechanism Failure), meaning one of these gating checks is implemented incorrectly and can be bypassed, letting a background app start an activity that policy should have blocked and thereby cross into a higher-privileged context. The vendor describes the defect as a 'logic error' occurring in 'multiple locations', so the precise component, code path and bypass primitive are not disclosed in the available sources and the exact trigger is not described. The OS-level CPE (cpe:2.3:a:google:android) and the EUVD version list confirm this is a platform framework issue rather than a defect in a specific bundled application; exploitation is confined to the local attack surface (AV:L) since no network vector is described.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Local privilege escalation from an unprivileged app context (AV:L, PR:N, UI:N), low-complexity logic-error bypass (AC:L), and total system impact per SSVC yields C:H/I:H/A:H.
Primary rating from Vendor (google_android).
CVSS VectorVendor: google_android
Lifecycle Timeline
3DescriptionCVE.org
In multiple locations, there is a possible background activity launch due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Articles & Coverage 2
Executive ViewAI
CVE-2026-58837 is a high-severity logic flaw in Android's background activity launch handling that allows a malicious app already installed on a device to escalate privileges and compromise confidentiality, integrity, and availability. This affects all Android 14, 15, 16, and 17 devices used by our workforce, exposing corporate data and services to local attackers without requiring user interaction or elevated privileges.
No vendor-released patch identified at time of analysis. Interim mitigations include restricting app installations to managed sources, deploying mobile threat defense to monitor for suspicious behavior, and enforcing least privilege on devices.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows and OS X and before 11.2.202.466
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Apktool versions 2.9.1 and prior contain a path traversal vulnerability when processing Android APK files. Malicious APK
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The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a
Use-after-free vulnerability in Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows
Use-after-free vulnerability in Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows
Android 1.6 Donut through 4.2 Jelly Bean does not properly check cryptographic signatures for applications, which allows
luni/src/main/java/java/io/ObjectInputStream.java in the java.io.ObjectInputStream implementation in Android before 5.0.
The Broadcom Wi-Fi driver in the kernel in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49G, and 6.x before 2016-02-01
EUVD-2026-115589
GHSA-2xvp-96v4-86rf
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB