CVE-2026-28644 Android ActivityTaskManagerService - Broken Access Control

Android ActivityTaskManagerService contains a permission bypass caused by a confused deputy in startNextMatchingActivity, letting local attackers escalate privileges without additional execution rights, exploit requires no user interaction.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.09% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-441

Vendor fix

Update to the latest available version with the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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