How to Fix CVE-2026-0034: Android (Bundle Sibling)
By Sai Kiran Pandrala. Last verified: 2026-05-25.
CVE-2026-0034 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.
| Severity | 8.4 (High) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | Android 16-qpr2; Android 16; Android 15; Android 14 |
| Fixed in | Same patched build as CVE-2026-0005 |
| Type (CWE) | CWE-20 Improper Input Validation |
What's different about CVE-2026-0034?
In setPackageOrComponentEnabled of ManagedServices.java, there is a possible notification policy desync 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.
How to fix CVE-2026-0034
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-2026-0034?
Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.
Is CVE-2026-0034 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
- Official vendor advisory: https://source.android.com/docs/security/bulletin/2026/2026-03-01
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0034
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary: How to Fix CVE-2026-0005
*Written by Sai Kiran Pandrala. Part of the Android bundle. Full procedure at how-to-fix-cve-2026-0005.*