In decodeWapPdu of WapPushOverSms.java, there is a possible out of bounds read due to an integer overflow. This could lead to a remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
https://thehackernews.com/2026/11/google-patches-critical-android-flaw.html
https://github.com/Ignema/WapGuard
https://source.android.com/docs/security/bulletin/2026/2026-11-01