---
title: "CVE-2026-58704: Google Pixel Improper Authorization Vulnerability"
url: https://erroneo.us/security/cve/CVE-2026-58704/
description: "CVE-2026-58704 (Google Pixel): Exploited in the wild (CISA KEV). In Cellular Modem, there is a possible permission bypass due to a logic error in the code.…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-09-15
date_modified: 2026-10-21
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-58704"
kev: true
cvss: 8.8
epss: 0.00591
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-58704: Google Pixel Improper Authorization Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Google Pixel. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2026-09-16, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2026-09-19 ; treat that as the outer limit, not the target.
- EPSS 0.6% , percentile 48: FIRST’s model estimates a 0.6% chance of exploitation activity in the next 30 days, higher than 48% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Editorial verdict: Patch this week. Google Pixel Modem CVE-2026-58704: Exploited Zero-Day — A targeted, no-interaction modem bug on Pixel phones with a fix already out: make 2026-09-05 the minimum patch level for every managed Pixel this week, and sooner for high-risk users.

## What it is

In Cellular Modem, there is a possible permission bypass due to a logic error in the code. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected products (CVE record)

- Google Android: Android kernel

## Severity

- CISA-ADP CVSS 3.1: 8.8 `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

## Exploitation

- CISA KEV: added 2026-09-16; federal due date 2026-09-19. Known ransomware use: Unknown.
- CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.59% probability of exploitation activity in the next 30 days; percentile 48.

## Sources

- [Listed in CISA KEV notes (source.android.com)](https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01)
- [CVE.org record CVE-2026-58704](https://www.cve.org/CVERecord?id=CVE-2026-58704)
- [NVD entry CVE-2026-58704](https://nvd.nist.gov/vuln/detail/CVE-2026-58704)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-58704)
- [Listed in CISA KEV notes (cisa.gov)](https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk)
- [Listed in CISA KEV notes (cisa.gov)](https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk)

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Source page: https://erroneo.us/security/cve/CVE-2026-58704/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt