EUVD-2026-78968
GHSA-v69p-m2gh-8c87
Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Local unprivileged app triggers a UAF with no user interaction; a memory-corruption EoP into a privileged HAL context plausibly supports full C/I/A impact, so I retain the vendor triad.
Primary rating from Vendor (Google_Devices).
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
8DescriptionCVE.org
In multiple functions of fpc_tee_hal.c, there is a possible use-after-free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
AnalysisAI
Local privilege escalation in Google Android's fingerprint TEE HAL allows an unprivileged app already running on an affected Pixel/Android device to trigger a use-after-free in fpc_tee_hal.c and gain elevated code execution. Exploitation requires local code execution as a prerequisite, no user interaction, and no additional execution privileges; it is not remotely triggerable. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to already have local code execution on the device - i.e., a malicious or compromised app running on an affected Android/Pixel device that can reach the fingerprint TEE HAL (fpc_tee_hal.c) interface. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but moderate-priority local privilege escalation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: the 2026-09-01 Android/Pixel security patch level, available via https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, confirm exposure by inventorying all Android and Pixel devices that include the Fingerprint Cards TEE HAL and recording their current security patch level against the 2026-09-01 baseline, and immediately tighten mobile policy to disable installation from unknown sources and enforce Play Protect scanning through Android Enterprise or your MDM; no emergency outage or device recall is warranted given that no public exploit code has been identified at time of analysis. …
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Same weakness CWE-693 – Protection Mechanism Failure
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
Leaving vuln.today