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CVE-2026-56967 Google CVE debrief

CVE-2026-56967 debrief based on the supplied source corpus. The CVE record was published on 2026-09-15T19:17:28.950Z and was last modified on 2026-09-21T17:18:54.813Z. The NVD entry is currently Analyzed. This high-severity vulnerability in Cellular Modem could lead to remote code execution. Defenders of Cellular Modem deployments, particularly those using Android, should assess exposure and prioritize verification. The vulnerability involves a possible out-of-bounds write due to a heap buffer overflow.

Vendor
Google
Product
Android
CVSS
HIGH 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 of Cellular Modem deployments, particularly those using Android, should assess exposure and prioritize verification. This includes reviewing current versions, planning for updates or mitigations, and monitoring for potential remote code execution attempts. Security teams and vulnerability management teams should also review the affected scope and severity to ensure proper prioritization and remediation.

Why it matters

CVE-2026-56967 is a high-severity vulnerability in Cellular Modem that could lead to remote code execution. Defenders of Cellular Modem deployments, particularly those using Android, should assess exposure and prioritize verification.

  • Remote code execution attempts may be possible
  • Verification of vulnerable versions is necessary
  • Patching or updating vulnerable systems is crucial

Technical summary

The CVE record indicates a possible out-of-bounds write due to a heap buffer overflow in Cellular Modem, which could lead to remote code execution with no additional execution privileges needed. This issue affects Cellular Modem and potentially other related components. Defenders should focus on verifying exposure and applying patches or updates if available. The technical details indicate a high-severity vulnerability that requires immediate attention.

Defensive priority

Assess exposure and prioritize verification for Cellular Modem deployments.

Recommended defensive actions

  • Assess exposure of Cellular Modem deployments to CVE-2026-56967
  • Verify if vulnerable versions of Android are in use
  • Apply vendor patches or updates if available
  • Monitor for potential remote code execution attempts

Evidence notes

The CVE record indicates a possible out-of-bounds write due to a heap buffer overflow in Cellular Modem, which could lead to remote code execution with no additional execution privileges needed.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-56967 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-56967

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

  • CVE-2026-56967 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-56967

    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.