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PatchSiren cyber security CVE debrief

CVE-2026-55301 Google CVE debrief

A high-severity CVE-2026-55301 vulnerability exists in Wave6VpuDecFlush of wave6.c due to a missing bounds check, potentially leading to local escalation of privilege. No user interaction is required for exploitation. This vulnerability affects Android systems, and its high CVSS score of 8.4 indicates a significant risk. System administrators and security teams must assess exposure and prioritize patching to prevent potential exploitation. The CVE record and NVD entry provide details on the vulnerability, including its high CVSS score and potential impact on Android systems.

Vendor
Google
Product
Android
CVSS
HIGH 8.4
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

Android system administrators and security teams should assess exposure and prioritize patching to prevent potential exploitation. This vulnerability affects Android systems and has a high CVSS score of 8.4, indicating a significant risk. System administrators and security teams must review system configurations and patch levels to ensure that affected systems are patched and up-to-date.

Why it matters

CVE-2026-55301 is a high-severity vulnerability in Android systems that requires immediate attention from system administrators and security teams to assess exposure and prioritize patching.

  • Local escalation of privilege could allow attackers to gain elevated access to sensitive data and system configurations.
  • Successful exploitation could lead to unauthorized access to system resources and data.
  • Patching is crucial to prevent potential exploitation and minimize the attack surface.

Technical summary

The CVE-2026-55301 vulnerability exists in Wave6VpuDecFlush of wave6.c due to a missing bounds check, potentially leading to local escalation of privilege with no additional execution privileges needed. This vulnerability affects Android systems and has a high CVSS score of 8.4, indicating a significant risk. The vulnerability can be exploited without user interaction, making it critical for system administrators and security teams to assess exposure and prioritize patching.

Defensive priority

Assess exposure and prioritize patching for Android systems.

Recommended defensive actions

  • Review and apply patches for affected Android systems
  • Assess exposure and prioritize patching for Android systems
  • Verify system configurations to prevent exploitation

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its high CVSS score of 8.4 and potential impact on Android systems. Evidence is limited to public CVE and NVD data. Defenders should verify system configurations and patch levels to assess exposure. The vulnerability's high severity and potential for local escalation of privilege emphasize the need for immediate attention.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-55301 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-55301

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

  • CVE-2026-55301 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-55301

    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.