EUVD-2026-78975
GHSA-9vxv-54xv-q68g
Severity by source
AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack is over the cellular radio interface (AV:A), requires low-level preconditions per the stated PR:L, needs no user interaction, and yields full modem memory compromise.
Primary rating from Vendor (Google_Devices).
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
4DescriptionCVE.org
In Cellular Modem, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
AnalysisAI
A heap-based buffer overflow (out-of-bounds write) exists in the Android Cellular Modem component, allowing an attacker within adjacent/proximal radio range to corrupt heap memory and potentially execute code in the modem context without user interaction. The flaw carries a CVSS base score of 8.0 (AV:A/AC:L/PR:L/UI:N) and affects Google Android devices per the Android/Google Devices CPE. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be within adjacent/proximal cellular radio range of the target and able to inject crafted over-the-air signaling that reaches the vulnerable Cellular Modem parsing path - typically via a rogue base station, IMSI catcher-class equipment, or a compromised small cell, which is why the vector is AV:A rather than AV:N. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector scores this 8.0 with AV:A (adjacent network), AC:L, PR:L, UI:N and high C/I/A, which places exploitation squarely in the radio-proximity domain rather than the internet-remote domain: an attacker needs to be within cellular/adjacent range (for example operating a rogue base station or compromised small cell) rather than merely having an IP path to the device. … 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 vendor fix delivered in the September 2026 Android/Pixel Security Bulletin (https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01) by installing the OTA update with the corresponding security patch level; because this is modem/baseband code, the fix must come through a full system OTA rather than a Google Play system update, so verify the build number rather than assuming monthly Play updates covered it. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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