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CVE-2025-26436
Google Android ClearAllowBgActivityStarts Local Privilege Escalation Vulnerability
Description

In clearAllowBgActivityStarts of PendingIntentRecord.java, there is a possible way for an application to launch an activity from the background due to BAL Bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

INFO

Published Date :

Sept. 4, 2025, 6:15 p.m.

Last Modified :

Sept. 5, 2025, 5:47 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-26436 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.

ID Vendor Product Action
1 Google android
: Total Affected Vendor : 1 | Products : 1
Solution
Address BAL bypass by restricting background activity launches and validating PendingIntents.
  • Restrict background activity launches.
  • Validate PendingIntent context.
  • Review PendingIntentRecord.
  • Apply relevant patches.
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-2025-26436.

URL Resource
https://android.googlesource.com/platform/frameworks/base/+/bba26504af51d2dd3b8eddeb96e59cac8fcb9070
https://android.googlesource.com/platform/frameworks/base/+/ccba6717779fea0a86b6326f9925c36fc837738c
https://source.android.com/security/bulletin/2025-05-01
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-26436 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-2025-26436 weaknesses.

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-2025-26436 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-2025-26436 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.

  • New CVE Received by [email protected]

    Sep. 04, 2025

    Action Type Old Value New Value
    Added Description In clearAllowBgActivityStarts of PendingIntentRecord.java, there is a possible way for an application to launch an activity from the background due to BAL Bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
    Added Reference https://android.googlesource.com/platform/frameworks/base/+/bba26504af51d2dd3b8eddeb96e59cac8fcb9070
    Added Reference https://android.googlesource.com/platform/frameworks/base/+/ccba6717779fea0a86b6326f9925c36fc837738c
    Added Reference https://source.android.com/security/bulletin/2025-05-01
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
No CVSS metrics available for this vulnerability.