What is CVE-2026-59028 in Android?
CVE-2026-59028 is a critical vulnerability affecting Android with a high CVSS base score of 8.4, categorized under CWE-441. The flaw resides specifically in the resolveAidConflictLocked function of RegisteredAidCache.java. Similar architectural issues have also been analyzed in other system components, as seen in CVE-2026-58957: Vulnerabilidad Crítica CVSS 8.4 de Escalada de Privilegios.
The root cause of this security issue is a confused deputy problem, which allows an entity to improperly misuse its authority. According to the Referencia técnica en source.android.com, this issue could lead to a local escalation of privilege.
Who is affected by this vulnerability?
This vulnerability affects Android systems where the affected code handles AID conflict resolutions. It can be exploited locally without requiring any additional execution privileges.
A notable aspect of this vulnerability is that user interaction is completely unnecessary for successful exploitation, making it a severe vector if left unpatched. Related findings on Vulnerabilidad crítica CVE-2026-115905 con CVSS 10.0 en la librería zip de Rust show how critical flaws demand prompt attention across diverse ecosystems.
How do I protect my system?
Protecting your Android environment against CVE-2026-59028 requires applying the latest official patches released by the vendor.
Follow these mitigation steps to secure your system:
- Check your device current Android security patch level against official bulletins.
- Apply the latest system updates provided by your device manufacturer as soon as they become available.
- Monitor security advisories regularly to stay informed about related privilege escalation vectors.