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PatchSiren cyber security CVE debrief

CVE-2026-56964 Google CVE debrief

A use-after-free vulnerability due to a race condition exists in multiple locations, potentially allowing local escalation of privilege with System execution privileges. User interaction is not required for exploitation. This vulnerability affects system administrators and security teams responsible for managing System execution privileges. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.4 and severity of MEDIUM. System administrators and security teams should review and limit System execution privileges, monitor for potential exploitation attempts, and apply patches or updates when available.

Vendor
Google
Product
Android
CVSS
MEDIUM 6.4
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

System administrators and security teams responsible for managing System execution privileges should review and limit System execution privileges, monitor for potential exploitation attempts, and apply patches or updates when available. They should also consider the potential operational impacts of this vulnerability, including the need to review and limit System execution privileges, monitor for potential exploits,

Why it matters

CVE-2026-56964 is a use-after-free vulnerability due to a race condition, potentially allowing local escalation of privilege with System execution privileges. System administrators and security teams should review and limit System execution privileges, monitor for potential exploitation attempts, and apply patches or updates when available.

  • Potential local escalation of privilege with System execution privileges
  • Need to review and limit System execution privileges
  • Monitoring for potential exploitation attempts is necessary

Technical summary

A use-after-free vulnerability exists in multiple locations due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. The vulnerability has a CVSS score of 6.4 and a severity of MEDIUM. System administrators and security teams should review and limit System execution privileges.

Defensive priority

Medium priority for System execution privilege holders

Recommended defensive actions

  • Review system execution privileges and limit them where possible
  • Monitor for potential exploitation attempts
  • Apply patches or updates when available

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.4 and severity of MEDIUM. The vulnerability affects multiple locations and has a potential impact on local escalation of privilege with System execution privileges. User interaction is not needed for exploitation. The official CVE Program record and NIST NVD detail page provide source-provided CVE metadata and vulnerability assessment.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-56964 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-56964

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

  • CVE-2026-56964 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-56964

    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.