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CVE-2026-110143 Google CVE debrief

CVE-2026-110143 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 155.0.8059.79 and earlier. The CVE record was published on 2026-10-13T21:01:41.838Z and has not been modified since then. This vulnerability is caused by the use of an uninitialized variable in ThirdParty lmza_sdk in Google Chrome prior to 155.0.8059.79, which could potentially allow a remote attacker to read memory inside the sandbox via a crafted file. Chrome users, particularly those with versions prior to 155.0.8059.79, should assess their exposure and take necessary actions to update or mitigate the vulnerability.

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-14
Advisory published
2026-10-13
Advisory updated
2026-10-14

Who should care

Google Chrome users, particularly those with Chrome versions prior to 155.0.8059.79, should assess their exposure and take necessary actions to update or mitigate the vulnerability.

Why it matters

CVE-2026-110143 is a high-severity vulnerability in Google Chrome that could allow a remote attacker to potentially read memory inside the sandbox. Chrome users, particularly those with versions prior to 155.0.8059.79, should assess their exposure and take necessary actions to update or mitigate the vulnerability.

  • Potential memory read inside the sandbox
  • Requires verification of Chrome version and exposure
  • Update priority for vulnerable Chrome versions
  • Monitoring for potential exploitation attempts

Technical summary

The vulnerability is caused by the use of an uninitialized variable in ThirdParty lmza_sdk in Google Chrome prior to 155.0.8059.79. This could potentially allow a remote attacker to read memory inside the sandbox via a crafted file. The affected product is Google Chrome, and the vulnerability has a high severity. Chrome users, particularly those with versions prior to 155.0.8059.79, should assess their exposure and take necessary actions to update or mitigate the vulnerability. The CVE record and NVD entry indicate a use of uninitialized variable vulnerability in ThirdParty lmza_sdk in Google Chrome prior to 155.0.8059.79.

Defensive priority

High

Recommended defensive actions

  • Assess exposure to Google Chrome version 155.0.8059.79 and earlier
  • Verify if systems are running vulnerable versions of Chrome
  • Update Chrome to version 155.0.8059.79 or later
  • Monitor for potential exploitation attempts
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry indicate a use of uninitialized variable vulnerability in ThirdParty lmza_sdk in Google Chrome prior to 155.0.8059.79. This could potentially allow a remote attacker to read memory inside the sandbox via a crafted file.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-110143 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-110143

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

  • CVE-2026-110143 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110143

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-110143

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/110xxx/CVE-2026-110143.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_01668083673.html

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://issues.chromium.org/issues/554531101

    Supplemental source

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.