Full Report
Multiple vulnerabilities have been discovered in Google Android OS, the most severe of which could allow for remote code execution. Android is an operating system developed by Google for mobile devices, including, but not limited to, smartphones, tablets, and watches. Successful exploitation of the most severe of these vulnerabilities could allow for remote code execution. Depending on the privileges associated with the exploited component, an attacker could then install programs; view, change, or delete data; or create new accounts with full rights.
Analysis Summary
# Vulnerability: Multiple Critical Vulnerabilities in Google Android OS Leading to RCE and EoP
## CVE Details
*Note: Since the summary details **40+ CVEs**, only the most severe (RCE) and those specifically mentioned as targeted are listed here. Severity scoring is inferred based on the RCE potential.*
- CVE ID: CVE-2025-48539 (Most Severe RCE)
- CVE ID: CVE-2025-38352 (Targeted in-the-wild exploitation)
- CVE ID: CVE-2025-48543 (Targeted in-the-wild exploitation)
- CVSS Score: Not explicitly provided, but the most severe vulnerability is capable of **Remote Code Execution (RCE)**, implying a **High/Critical** score.
- CWE: Not explicitly provided.
## Affected Systems
- Products: Google Android OS (smartphones, tablets, watches).
- Versions: Android OS patch levels **prior to 2025-09-05**.
- Configurations: Applies generally to vulnerable Android versions across various device types.
## Vulnerability Description
Multiple vulnerabilities exist across various components of the Android OS, including System, Framework, Android Runtime, Kernel, Widevine DRM, and third-party vendor components (Arm, Imagination Technologies, MediaTek, Qualcomm).
The most critical vulnerability, **CVE-2025-48539 (System component)**, allows for **Remote Code Execution (RCE)**. Exploitation of this RCE, combined with potential Local Privilege Escalation (LPE) vulnerabilities in other components (e.g., Kernel LPE: CVE-2025-38352), could grant an attacker privileges associated with the exploited component. Full exploitation could allow an attacker to install programs, view/change/delete data, or create new accounts with full rights.
Lower severity findings include Elevation of Privilege (EoP) and Information Disclosure across numerous Framework and System CVEs.
## Exploitation
- Status: **Exploited in the wild** for **CVE-2025-38352** and **CVE-2025-48543**, indicating active targeted exploitation. PoC or exploit details for the RCE (CVE-2025-48539) are suggested by the RCE capability.
- Complexity: Likely **Low** for the RCE vector, given the in-the-wild exploitation reports.
- Attack Vector: Primary vector for the RCE vulnerability is likely **Network** or **Adjacent**, as the description indicates Remote Code Execution is possible.
## Impact
- Confidentiality: **High** (Ability to view, change, or delete data).
- Integrity: **High** (Ability to change data or install programs).
- Availability: **Medium to High** (Impact depends on the exploited component; DoS vulnerabilities are present as well).
## Remediation
### Patches
- Apply the **Android OS updates released with the 2025-09-05 patch level** or later.
- Specific patches are detailed through Google's security bulletins, including updates for Google Play system components: [https://source.android.com/docs/security/bulletin/2025-09-01#Google-Play-system-updates](https://source.android.com/docs/security/bulletin/2025-09-01#Google-Play-system-updates)
### Workarounds
- No specific workarounds are explicitly mentioned in this summary, but keeping the device updated is the primary defense.
## Detection
- Indicators of Compromise (IoCs): Not detailed, but look for file modifications, unauthorized account creation, or unusual network activity corresponding to the exploitation of CVE-2025-38352 or CVE-2025-48543.
- Detection methods and tools: Monitor device system logs for anomalous activity related to System, Kernel, or Framework process interaction post-patching date.
## References
- MS-ISAC Advisory Number: 2025-081
- Google Security Bulletin: Referencing the bulletin associated with the 2025-09-05 patch cycle.
- Mitre Links (Defanged examples):
- CVE-2025-48539 (RCE)
- CVE-2025-38352 (Kernel LPE, actively exploited)
- CVE-2025-48543 (Android Runtime EoP, actively exploited)