CVE-2026-0021

HIGH
MEDIUM Priority: 0.01 BB Relevance: 52/100
Published: 2026-03-02 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

In hasInteractAcrossUsersFullPermission of AppInfoBase.java, there is a possible cross-user permission bypass due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
google android 14.0
google android 15.0
google android 16.0
google android 16.0

References & Advisories (1)

Bug Bounty Relevance

52 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.4 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.10%
Raw Score 0.000990
Percentile 0.8%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00099
2026-11-13
0.00099
2026-11-12
0.00099
2026-11-10
0.00099
2026-11-09
0.00099
2026-11-08
0.00099
2026-11-07
0.00099
2026-11-06
0.00099
2026-11-05
0.00104

Intelligence Sources

nvd ref →