CVE-2026-58704
HighExploitedPublic exploitIn Cellular Modem, there is a possible permission bypass due to a logic error in the code.
Published Sep 1, 2026 · Updated Oct 14, 2026 · Also known as A-484011314, EUVD-2026-79004, GHSA-chq2-jxgv-5vfw, PUB-A-484011314
Key Facts
Patch immediately- CVE-2026-58704 is a high-severity vulnerability (CVSS 8.0 v3.1) affecting Android (Google), :unknown: (android).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 15, 2026. Public exploit code is available.
- EPSS estimates a 0.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including :unknown: Pixel-family specific:2026-09-05, :unknown: SoCVersion:2026-09-05.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.0
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.6%
Higher than 47.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-58704 brief as a PDF
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 16, 2026 | Sep 19, 2026 | Not reported |
| Industry KEV feed | Sep 15, 2026 | Sep 19, 2026 | Not reported |
| CIRCL KEV | Sep 16, 2026 | Sep 19, 2026 | Not reported |
| ENISA EUVD | Sep 16, 2026 | n/a | Not reported |
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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AndroidGoogle | >= Android kernel | n/a |
| :unknown:android | >= SoCVersion:0 | SoCVersion:2026-09-05 |
Patched Releases
:unknown:
Pixel-family specific:2026-09-05, SoCVersion:2026-09-05
Timeline
Publicly disclosed
Sep 1, 2026
Added to Industry KEV feed
Sep 15, 2026
Added to CISA KEV
Sep 16, 2026
Added to CIRCL KEV
Sep 16, 2026
Added to ENISA EUVD
Sep 16, 2026
Last updated
Oct 14, 2026
Weakness Type
- CWE-285 Improper Authorization
- CWE-693 Protection Mechanism Failure
References
- advisoryhttps://source.android.com/docs/security/bulletin/2026/2026-09-01
- advisoryhttps://source.android.com/security/bulletin/2026-09-01
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
In Cellular Modem, there is a possible permission bypass due to a logic error in the code.
Affected: Android (Google) versions >= Android kernel; :unknown: (android) versions >= SoCVersion:0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 15, 2026.
Yes. It was added on Sep 16, 2026 with a federal remediation due date of Sep 19, 2026.
Public exploit code is available.
Fixed versions are available, including :unknown: Pixel-family specific:2026-09-05, :unknown: SoCVersion:2026-09-05.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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