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PatchSiren cyber security CVE debrief

CVE-2026-55306 Google CVE debrief

CVE-2026-55306 debrief based on the supplied source corpus. The vulnerability is a denial of service in Cellular Modem, which could lead to remote denial of service with no additional execution privileges needed. Defenders responsible for Android deployments should assess exposure and prioritize verifying the impact of potential remote denial of service attacks. The CVE record and NVD entry provide details on the vulnerability, but the scope of affected versions and specific remediation steps require verification from the supplied official sources.

Vendor
Google
Product
Android
CVSS
HIGH 7.5
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 Android deployments should assess exposure and prioritize verifying the impact of potential remote denial of service attacks.

Why it matters

CVE-2026-55306 is a denial of service vulnerability in Cellular Modem that could lead to remote denial of service with no additional execution privileges needed. Defenders responsible for Android deployments should assess exposure and prioritize verifying the impact of potential remote denial of service attacks.

  • Verify exposure in Android deployments
  • Assess the impact of potential remote denial of service attacks
  • Review and apply vendor advisories and patches

Technical summary

A denial of service vulnerability in Cellular Modem could lead to remote denial of service with no additional execution privileges needed. This vulnerability affects Android deployments, and defenders should assess exposure and prioritize verifying the impact of potential remote denial of service attacks. The technical details are based on the CVE record and NVD entry, which provide information on the vulnerability.

Defensive priority

Defenders should prioritize verifying exposure in Android deployments and assessing the impact of potential remote denial of service attacks.

Recommended defensive actions

  • Verify exposure in Android deployments
  • Assess the impact of potential remote denial of service attacks
  • Review and apply vendor advisories and patches

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but the scope of affected versions and specific remediation steps require verification from the supplied official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-55306 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-55306

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

  • CVE-2026-55306 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-55306

    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.