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PatchSiren cyber security CVE debrief

CVE-2026-56945 Google CVE debrief

CVE-2026-56945 is a high-severity vulnerability in Google's VPU component, potentially allowing local privilege escalation without additional execution privileges needed. The vulnerability, which has a CVSS score of 7.8, was published on September 15, 2026, and last modified on September 21, 2026. User interaction is not required for exploitation. The CVE Program and NVD have official records of this vulnerability.

Vendor
Google
Product
Android
CVSS
HIGH 7.8
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 responsible for Google Android systems, particularly those with VPU components, should assess exposure and apply patches or mitigations to prevent local privilege escalation.

Why it matters

CVE-2026-56945 is a high-severity vulnerability in Google's VPU component, potentially allowing local privilege escalation. Defenders should prioritize assessing exposure and applying patches or mitigations to prevent unauthorized access and privilege escalation.

  • Local privilege escalation could allow attackers to gain elevated privileges
  • Successful exploitation could lead to unauthorized access to sensitive data

Technical summary

The vulnerability is due to a possible out-of-bounds write in VPU, which could lead to local escalation of privilege with no additional execution privileges needed. The CVSS vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This issue affects Google Android systems, particularly those with VPU components. Defenders should assess exposure and apply patches or mitigations to prevent unauthorized access and privilege escalation.

Defensive priority

Defenders should prioritize assessing exposure and applying patches or mitigations, focusing on local privilege escalation risks in VPU components.

Recommended defensive actions

  • Assess exposure to VPU components in local privilege escalation scenarios
  • Apply patches or mitigations provided by the vendor
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD detail page provide official information on this vulnerability. A vendor advisory from Google is also available. The vulnerability affects Google's VPU component, and defenders should verify exposure and apply patches or mitigations to prevent local privilege escalation. The evidence is based on CVE Program and NVD records, which may have limited details on affected products and versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-56945 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-56945

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

  • CVE-2026-56945 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-56945

    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.