CVE-2026-58704 (GCVE-0-2026-58704)
Vulnerability from cvelistv5 – Published: 2026-09-15 18:34 – Updated: 2026-09-17 03:55Summary
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.
Severity
8.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://source.android.com/docs/security/bulletin… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 875b22ab-d7d9-45f0-97ee-07873d184317
Exploited: Yes
Timestamps
First Seen: 2026-09-16
Asserted: 2026-09-16
Scope
Notes: Google Pixel Improper Authorization Vulnerability | Affected: Google / Pixel | Description: Google Pixel devices contain an improper authorization vulnerability in the cellular modem. A logic error may allow an attacker to bypass permission checks and escalate privileges. | 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. | Due date: 2026-09-19 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-58704
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-693 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Pixel |
| Due Date | 2026-09-19 |
| Date Added | 2026-09-16 |
| Vendorproject | |
| Vulnerabilityname | Google Pixel Improper Authorization Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-09-16 14:00 UTC
| Updated: 2026-09-16 14:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 8b35eb3f-037a-42e1-9a0f-ce5b9a9473f9
Exploited: Yes
Timestamps
First Seen: 2026-09-16
Asserted: 2026-09-16
Scope
Notes: 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... | Affected: Google / Android | CVSS: 8.8 (HIGH) | EPSS: 0.00112 | Used in malware: unknown | Listed 6 hours ahead of CISA KEV | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | 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... |
| Cve Id | CVE-2026-58704 |
| Vendor | |
| Ghsa Id | GHSA-CHQ2-JXGV-5VFW |
| Product | Android |
| Added Date | 2026-09-16T08:15:00.000Z |
| Cvss Score | 8.8 |
| Epss Score | 0.00112 |
| Previous Ids | |
| Cvss Severity | HIGH |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.01564 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2026-58704 |
| Ahead Of Cisa Kev |
|
| Not Yet In Cisa Kev | False |
References
Created: 2026-09-17 09:00 UTC
| Updated: 2026-09-17 09:00 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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