Executive brief
A critical security vulnerability has been identified in the modem component of Google Pixel devices. This flaw allows a remote attacker to execute unauthorized code on the device's modem without any user interaction or special access permissions. Such an exploit could lead to a complete compromise of cellular communications, unauthorized data access, or a total loss of device functionality.
Technical details
A heap-based buffer overflow exists in the Modem firmware of Google Pixel devices, leading to an out-of-bounds write. The vulnerability is reachable remotely over the network and does not require any prior authentication or user interaction (zero-click). Successful exploitation allows for Remote Code Execution (RCE) within the context of the modem processor. This issue was addressed in the June 2026 Pixel Security Bulletin, with the fix included in security patch levels 2026-06-05 or later.
Affected products
- Google Pixel Modem Prior to June 2026 security patch
Timeline
- 2026-06-16: disclosed: Vulnerability disclosed in Google Pixel Update Bulletin
- 2026-06-05: patched: Security patch level 2026-06-05 released to address the issue