CVE-2026-58836

HighCVSS 7.8/10Last modified Nov 9, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-693

Affected software

VendorProductVersions
GoogleAndroid17; 16-qpr2; 16

References

Timeline

Published
Nov 2, 2026
Last modified
Nov 9, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-588378.4In multiple locations, there is a possible background activity launch due to a logic error in the code. This could lead to local escalation CVE-2026-588384.0In multiple functions of Helpers.java, there is a possible information disclosure due to improper input validation. This could lead to localCVE-2026-588397.8In forEachLine of MountRegistry.cpp, there is a possible out of bounds read due to a buffer overflow. This could lead to local escalation ofCVE-2026-58848.8Insufficient validation of untrusted input in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised thCVE-2026-588417.8In multiple functions of VirtualAudioControllerTest.java, there is a possible permission bypass due to a logic error in the code. This couldCVE-2026-588448.4In multiple locations, there is a possible out of bounds read/write due to an incorrect bounds check. This could lead to local escalation ofCVE-2026-588458.4In multiple locations, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege CVE-2026-588467.8In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a missing permission check. This could lead to local escalation ofCVE-2026-588478.4In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code. This could lead to local escalation CVE-2026-588487.0In multiple functions of alloc.c, there is a possible unauthorized read/write access due to a race condition. This could lead to local escalCVE-2026-58856.5Insufficient validation of untrusted input in WebML in Google Chrome on Windows prior to 147.0.7727.55 allowed a remote attacker to obtain pCVE-2026-588537.5In multiple functions of ipphelper.c, there is a possible stack bugger overflow due to a missing bounds check. This could lead to remote den
CVE-2026-58836: High severity, CVSS 7.8 | Vulnix