CVE-2026-58836
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced...
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2026-58836- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-03
EUVDEUVD-2026-115588
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2026-115588- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gqff-qxrp-c57r
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced...
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-gqff-qxrp-c57r- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-03
NVD
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2026-58836- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-05
OSVASB-A-349318333 No score
In handlePackagePostInstall of InstallPackageHelper.java, there is a possible Enhanced Confirmation Mode (ECM) bypass vulnerability that allows a sideloaded application to modify the package source during a self-update due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-349318333- Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
17-qpr2-next:0 up to 17-qpr2-next:2026-11-01, plus listed versions 17-qpr2-next |
17-qpr2-next:2026-11-01 |
platform/frameworks/baseAndroid |
16:0 up to 16:2026-11-01, plus listed versions 16 |
16:2026-11-01 |
platform/frameworks/baseAndroid |
16-qpr2:0 up to 16-qpr2:2026-11-01, plus listed versions 16-qpr2 |
16-qpr2:2026-11-01 |
platform/frameworks/baseAndroid |
17:0 up to 17:2026-11-01, plus listed versions 17 |
17:2026-11-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| references | NVD, OSV | |
| facts | CVE List, EUVD, NVD | |
| aliases | EUVD | |
| aliases, cwes, references, severity, title | CVE List, GitHub Advisories, NVD | |
| first indexed | CVE List, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-58836 is a high vulnerability (CVSS 7.8) in Google Android, published November 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 1st percentile. Fixed in platform/frameworks/base 17-qpr2-next:2026-11-01.