Privilege escalation in Google Android
CVE-2026-0023
In createSessionInternal of PackageInstallerService.java, there is a possible way for an app to update its ownership due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: Privilege Escalation
EPSS: 0.001 (0.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 15.0, 14.0, 15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-0023?
- CVE-2026-0023 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-03-02.
- How severe is CVE-2026-0023?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2026-0023 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.