Reference material — not professional advice. Test in staging, back up first, verify against your specific version. Use your own judgment for your environment.
● Medium · CVSS 6.2

How to Fix CVE-2026-0012: Android (Bundle Sibling)

By Sai Kiran Pandrala. Last verified: 2026-05-25.

CVE-2026-0012 is a sibling vulnerability in the same vendor advisory as CVE-2026-0005. Apply the same patched build and you close both. The technical detail below is what differs.

⚡ At a glance
Severity6.2 (Medium)
Actively exploited?No public listing in CISA KEV
AffectedAndroid 16; Android 15; Android 14
Fixed inSame patched build as CVE-2026-0005
Type (CWE)CWE-284 Improper Access Control

What's different about CVE-2026-0012?

In setHideSensitive of ExpandableNotificationRow.java, there is a possible contact name leak due due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

How to fix CVE-2026-0012

Apply the patched build per the primary write-up: How to Fix CVE-2026-0005. All commands, verification steps, and rollback notes for Android are listed there.

Frequently asked questions

Does the CVE-2026-0005 patch close CVE-2026-0012?

Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.

Is CVE-2026-0012 listed in CISA KEV?

No public KEV listing at the time of this writing.

Where is the official advisory?

See https://source.android.com/docs/security/bulletin/2026/2026-03-01

References


*Written by Sai Kiran Pandrala. Part of the Android bundle. Full procedure at how-to-fix-cve-2026-0005.*