EUVD-2026-78945
GHSA-2ph5-2xfp-qvgm
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
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Alert meAnalysisAIv1 – Sep 15, 2026
An out-of-bounds write in the Android kernel's printf implementation allows an attacker who already holds System-level privileges on the device to corrupt kernel memory and escalate further, typically to kernel/root context, by supplying improperly validated input to the affected formatting routine. Exploitation is local only and requires high privileges (CVSS 3.1 6.7, AV:L/PR:H/UI:N), so a malicious app running as System would be needed rather than a remote attacker. No public exploit code or confirmed active exploitation was identified at time of analysis, and the issue is fixed in Google's September 2026 Pixel/Android security bulletin.
Affected VersionsENISA
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Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (Google_Devices) · only source for this CVE.
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
2DescriptionCVE.org
In printf of printf.c, 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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
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What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Exploit-DB