CVE-2018-9523

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-14 · updated 2026-06-17
Weakness: CWE-20

Description

In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112859604

Affected products

Android: 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9.0

References

http://www.securityfocus.com/bid/105847
https://source.android.com/security/bulletin/2018-11-01
http://www.securityfocus.com/bid/105847
https://source.android.com/security/bulletin/2018-11-01

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