PT-2026-4701 · Unknown · Appinfobase.Java

Published 2026-01-25 · Updated 2026-03-03 · CVE-2026-0021

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions versions prior to 2026-0021

Description A cross-user permission bypass exists due to a confused deputy condition in the hasInteractAcrossUsersFullPermission function within the AppInfoBase.java file. This could allow for local escalation of privilege without requiring additional execution privileges or user interaction.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Weakness Enumeration

CWE-441

Related Identifiers

ASB-A-430047417

CVE-2026-0021

Affected Products

Appinfobase.Java

References · 10

• https://osv.dev/vulnerability/CVE-2026-0021 · Vendor Advisory
• https://source.android.com/docs/security/bulletin/2026/2026-03-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-430047417 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0021 · Security Note
• https://t.me/cveNotify/153924 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2028747542469456228 · Twitter Post
• https://twitter.com/GrapheneOS/status/2015510661019644403 · Twitter Post
• https://android.googlesource.com/platform/packages/apps/Settings/+/48af8a13dd12ecbd0569c328a56d1a7b61a59ca3 · Note
• https://source.android.com/security/bulletin/2026-03-01 · Note
• https://twitter.com/TheHackerWire/status/2028742118739751242 · Twitter Post