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CVE-2026-110920 Google CVE debrief

PatchSiren debrief for CVE-2026-110920: Memory corruption in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability has a High severity rating according to Chromium. Defenders managing Chrome deployments should assess exposure and apply updates to mitigate potential memory corruption attacks. The CVE record was published on 2026-10-15T22:19:27.367Z and has not been modified since then.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-15
Original CVE updated
2026-10-16
Advisory published
2026-10-15
Advisory updated
2026-10-16

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and apply updates to mitigate potential memory corruption attacks.

Why it matters

CVE-2026-110920 is a High severity memory corruption vulnerability in Google Chrome's V8 engine. Defenders managing Chrome deployments should assess exposure, apply updates to version 155.0.8059.84 or later, and monitor for potential attacks. Evidence from official sources confirms the vulnerability but does not provide details on exploitation or impact.

  • Remote attackers may attempt to execute arbitrary code inside the sandbox
  • Successful exploitation could lead to sandbox bypass
  • Defenders should verify Chrome versions and apply updates
  • Additional monitoring for crafted HTML pages may be necessary

Technical summary

Memory corruption in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability has a High severity rating according to Chromium. The vulnerability affects Google Chrome deployments prior to version 155.0.8059.84. Defenders should assess exposure and apply updates to mitigate potential memory corruption attacks.

Defensive priority

High

Recommended defensive actions

  • Assess exposure of Chrome versions prior to 155.0.8059.84
  • Verify and apply Chrome updates to version 155.0.8059.84 or later
  • Monitor for crafted HTML pages in network traffic
  • Review sandbox configurations for additional security controls

Evidence notes

Official CVE Program record and NIST NVD detail page confirm memory corruption vulnerability in Google Chrome. Chromium security severity is High. Evidence from official sources confirms the vulnerability but does not provide details on exploitation or impact. Defenders should verify Chrome versions and apply updates to version 155.0.8059.84 or later. Additional monitoring for crafted HTML pages may be necessary.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-110920 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-110920

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

  • CVE-2026-110920 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110920

    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.