CVE-2026-56978 Google CVE debrief

Who should care

Defenders responsible for Google Android deployments should assess exposure and prioritize verifying and applying patches. This includes reviewing compensating controls for exposed systems, checking relevant monitoring, detection, and logs for exposed assets, and tracking exceptions and retesting remediated assets. Security teams and vulnerability management teams should also be aware of the potential impact on Google Android systems.

Why it matters

CVE-2026-56978 is a high-severity vulnerability in Google Android that could lead to local escalation of privilege. Defenders should prioritize verifying and applying patches, assessing exposure in their Android deployments, and monitoring for potential exploitation attempts. Evidence is limited to official CVE and NVD records.

• Local escalation of privilege requires verification from official sources
• Potential impact on Google Android systems requires assessment

Technical summary

The vulnerability exists in get_global_config_item_addr of gc.c due to a missing bounds check, potentially leading to local escalation of privilege with no additional execution privileges needed. This issue affects Google Android systems, and defenders should prioritize verifying and applying patches from Google. The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score of 8.4 and potential impact on Google Android systems. The official advisory and CVE record should be reviewed to validate affected scope, severity, and vendor guidance.

Defensive priority

Defenders should prioritize verifying and applying patches from Google, assessing exposure in their Android deployments, and monitoring for potential exploitation attempts.

Recommended defensive actions

• Verify and apply patches from Google
• Assess exposure in Android deployments
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions, retest remediated assets
• Confirm whether affected product deployments exist in managed environments

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score of 8.4 and potential impact on Google Android systems. The official CVE Program record and NVD detail page offer source-provided CVE metadata and source-specific vulnerability assessment. Evidence is limited to these official records, and defenders should verify and apply patches from Google.

Sources and 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.