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PatchSiren cyber security CVE debrief

CVE-2026-113151 Google CVE debrief

CVE-2026-113151 is an out-of-bounds read vulnerability in Google Chrome prior to version 156.0.8078.47. This vulnerability could allow a remote attacker to read memory inside the sandbox via a crafted HTML page. Defenders should assess exposure and prioritize patching to prevent potential memory reads. The CVE record and source item provide details on the vulnerability, but limited information is available on potential exploitation or impact. Affected product deployments should be identified, and owners assigned for follow-up. Official advisories and CVE records should be reviewed to validate affected scope, severity, and vendor guidance.

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-21
Advisory published
2026-10-20
Advisory updated
2026-10-21

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize patching to prevent potential memory reads. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review and update incident response plans to address potential exploitation. Chrome version verification and patching should be prioritized to prevent potential memory reads.

Why it matters

CVE-2026-113151 is a medium-severity vulnerability in Google Chrome that could allow a remote attacker to read memory inside the sandbox. Defenders should prioritize verifying Chrome versions and applying patches to prevent potential memory reads.

  • Verify Chrome version and apply patches to prevent potential memory reads
  • Monitor for potential memory read attempts to detect possible exploitation
  • Review and update incident response plans to address potential exploitation

Technical summary

CVE-2026-113151 is an out-of-bounds read vulnerability in Google Chrome prior to version 156.0.8078.47. A remote attacker could exploit this vulnerability to read memory inside the sandbox via a crafted HTML page. The vulnerability has a medium severity and defenders should prioritize verifying Chrome versions and applying patches to prevent potential memory reads. Affected product context and defensive impact should be considered when assessing exposure. Limited information is available on potential exploitation or impact.

Defensive priority

Defenders should prioritize verifying Chrome versions and applying patches to prevent potential memory reads.

Recommended defensive actions

  • Verify Chrome version and apply patches
  • Monitor for potential memory read attempts
  • Review and update incident response plans
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on potential exploitation or impact. Defenders should verify Chrome versions and apply patches to prevent potential memory reads. Evidence limits and unknown affected scope should be considered when assessing exposure. At least two supplemental sources were consulted to ground this debrief.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113151 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113151

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

  • CVE-2026-113151 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113151

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

Supplemental references

  • CVE-2026-113151

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113151.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://issues.chromium.org/issues/560157609

    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.