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PatchSiren cyber security CVE debrief

CVE-2026-0138 Google CVE debrief

CVE-2026-0138 is a vulnerability in the lwis_io_buffer_write function of lwis_io_buffer.c, which could lead to an out of bounds write due to memory corruption. This could result in local escalation of privilege with System execution privileges needed. User interaction is not required for exploitation. The CVE was published on 2026-06-16T20:16:24.623Z and last modified on 2026-06-16T20:42:25.013Z.

Vendor
Google
Product
Android
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-17
Advisory published
2026-06-16
Advisory updated
2026-06-17

Who should care

Android users and administrators should be aware of this vulnerability, as it could potentially be exploited to gain elevated privileges.

Technical summary

The vulnerability is located in the lwis_io_buffer_write function of lwis_io_buffer.c. An out of bounds write can occur due to memory corruption, leading to a potential escalation of privilege.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates from the vendor as soon as they become available.
  • Use secure coding practices to prevent similar vulnerabilities in the future.
  • Monitor systems for suspicious activity that could indicate exploitation.

Evidence notes

The CVE record and NVD detail pages provide official information about the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0138 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0138

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

  • CVE-2026-0138 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0138

    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.