CVE-2026-0023
Google PackageInstaller Service Local Privilege Escalation
Description
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.
INFO
Published Date :
March 2, 2026, 7:16 p.m.
Last Modified :
March 6, 2026, 4:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Verify that the calling app has the necessary permissions.
- Enforce permission checks before updating session ownership.
- Update the PackageInstallerService.java code.
- Review related ownership update logic.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-0023.
| URL | Resource |
|---|---|
| https://source.android.com/docs/security/bulletin/2026/2026-03-01 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-0023 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-0023
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-0023 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-0023 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Mar. 06, 2026
Action Type Old Value New Value Added Reference https://source.android.com/docs/security/bulletin/2026/2026-03-01 Removed Reference https://source.android.com/security/bulletin/2026-03-01 Removed Reference Type https://source.android.com/security/bulletin/2026-03-01 Types: Broken Link -
Modified Analysis by [email protected]
Mar. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Removed CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Removed CWE CWE-862 Changed CPE Configuration OR *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:* OR *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:qpr2_beta_1:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:qpr2_beta_2:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:qpr2_beta_3:*:*:*:*:*:* -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-269 -
Initial Analysis by [email protected]
Mar. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-862 Added CPE Configuration OR *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:* Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://source.android.com/security/bulletin/2026-03-01 Types: Broken Link -
New CVE Received by [email protected]
Mar. 02, 2026
Action Type Old Value New Value Added Description 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. Added Reference https://source.android.com/security/bulletin/2026-03-01