EUVD-2026-73993
GHSA-4r8v-rcc7-72xr
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local-only attack requiring low-privilege shell access; no user interaction; full C/I/A impact via privilege escalation to system level.
Primary rating from Vendor (android).
CVSS VectorVendor: android
Lifecycle Timeline
4DescriptionCVE.org
In WriteImageToDisk of runtime_image.cc, there is a possible file tampering 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 Android's runtime image writer (WriteImageToDisk, runtime_image.cc) allows a low-privileged local process to tamper with files through a logic error, potentially gaining full system control. Affected versions span Android 14 through Android 17, including the Android 16-QPR2 branch, making this a broad-impact flaw across the current and future Android release train. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privilege process already executing on the target Android device - for example, an installed application with standard app-level privileges. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 local score is well-calibrated: the attack vector is local (AV:L), complexity is low (AC:L), and only low privilege is required (PR:L), with no user interaction needed - all three impact dimensions (C:H/I:H/A:H) are high, reflecting the total control obtainable via 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 | Apply the Android Security Bulletin patches for the 2026-09-01 patch level, available via OEM OTA updates and the Android Open Source Project (AOSP). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: conduct comprehensive inventory of all Android 14, 15, 16, and 17 devices across the organization including BYOD, enterprise-managed mobile, and IoT systems. …
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Same weakness CWE-693 – Protection Mechanism Failure
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
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