EUVD-2026-78949
GHSA-mwpj-jhrg-w823
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Requires local access and pre-existing System-level privileges (PR:H), but low complexity and no user interaction; kernel corruption gives high C/I/A.
Primary rating from Vendor (Google_Devices).
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
4DescriptionCVE.org
In multiple locations, there is a possible out-of-bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
AnalysisAI
Local privilege escalation in the Google Android kernel stems from an out-of-bounds write caused by improper input validation in multiple code locations. An attacker who already holds System-level execution privileges on the device can craft malformed input to corrupt memory and elevate to kernel privileges on affected Android builds. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two concrete things documented in the source data: local access on the target Android device, and pre-existing code execution with Android System privileges (the description states 'System execution privileges needed', and the CVSS vector confirms PR:H). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, 6.7) tells a very specific story: the attack is local, low complexity and needs no user interaction, but it requires high privileges (PR:H) - consistent with the description stating System execution privileges are needed. … 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 | Primary remediation is to apply the vendor fix published in the Google Android/Pixel Security Bulletin for September 2026 (https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01); the bulletin is the authoritative source for the exact patch level to reach, and devices should be updated to the bulletin's patch level or later via standard OTA. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-20 – Improper Input Validation
View allSame technique Privilege Escalation
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External POC / Exploit Code
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