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PatchSiren cyber security CVE debrief

CVE-2026-0159 Google CVE debrief

CVE-2026-0159 debrief based on the supplied source corpus. The vulnerability is a possible out-of-bounds write due to a missing bounds check in Cellular Modem, which could lead to remote code execution with no additional execution privileges needed. Defenders responsible for Cellular Modem functionality and Android security should assess exposure and prioritize verification. The CVE record and NVD entry provide details on the vulnerability, but vendor-specific remediation details are limited.

Vendor
Google
Product
Android
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-15
Original CVE updated
2026-09-21
Advisory published
2026-09-15
Advisory updated
2026-09-21

Who should care

Defenders responsible for Cellular Modem functionality and Android security should assess exposure and prioritize verification. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review potential exposure and plan remediation efforts.

Why it matters

CVE-2026-0159 is a possible out-of-bounds write due to a missing bounds check in Cellular Modem, which could lead to remote code execution. Defenders responsible for Cellular Modem functionality and Android security should assess exposure and prioritize verification. The CVE record and NVD entry provide details on the vulnerability, but vendor-specific remediation details are limited.

  • Remote code execution with no additional execution privileges needed
  • Potential for exploitation requires verification from official sources
  • Vendor-specific remediation details are limited and require further investigation

Technical summary

A possible out-of-bounds write due to a missing bounds check in Cellular Modem could lead to remote code execution with no additional execution privileges needed. The vulnerability affects Cellular Modem functionality, and defenders should assess exposure and prioritize verification. Technical details are based on CVE Program and NVD sources, with no additional technical information available.

Defensive priority

Assess exposure and prioritize verification for Cellular Modem functionality.

Recommended defensive actions

  • Review Cellular Modem functionality for potential exposure
  • Verify vendor-provided security updates
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but vendor-specific remediation details are limited. Evidence is based on CVE Program and NVD sources, with potential exposure requiring verification from official sources. Vendor-specific remediation details are limited and require further investigation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0159 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0159

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-0159 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0159

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.