EUVD-2026-79000
GHSA-qfwp-23w2-wr7j
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local trigger and no user interaction, but the described requirement for pre-existing System execution privileges makes PR:H; kernel-level corruption gives full C/I/A.
Primary rating from Vendor (Google_Devices).
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
5DescriptionCVE.org
In gmc_phy_lp3_exit_restore_registers of phy_power.c, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Articles & Coverage 1
AnalysisAI
Local privilege escalation in the Pixel-specific kernel PHY power driver, specifically the gmc_phy_lp3_exit_restore_registers routine in phy_power.c, where a missing bounds check permits an out-of-bounds memory write (CWE-120). Reaching the vulnerable code path requires code already executing at Android System privilege level on an affected Pixel device, and no user interaction is needed once that context is held; per the assessed vector (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) this is an authenticated/high-privilege local issue rather than an unprivileged-app primitive, making it most useful as a later stage in an exploit chain. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local code execution already at Android System privilege level on an affected Pixel device - the description states 'System execution privileges needed,' so this is not reachable by an ordinary unprivileged app. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a local privilege escalation in the Pixel-specific kernel PHY power driver (gmc_phy_lp3_exit_restore_registers in phy_power.c), rooted in a missing bounds check (CWE-120 buffer overflow). … 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: update affected Pixel devices to the September 2026 Android/Pixel security patch level that remediates CVE-2026-58695, per the bulletin at https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01 - patch availability is vendor-confirmed but no standalone fix version string is provided in the source data, so verify the device build against the bulletin's listed patch levels rather than assuming a version number. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Pixel devices and identify which builds predate the September 2026 Pixel security bulletin, and confirm directly with Google whether that bulletin build remediates CVE-2026-58695, since the patch data supplied to this assessment states that no vendor-released patch is identified at time of analysis while the technical description references a fix through that bulletin. …
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Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Privilege Escalation
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External POC / Exploit Code
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