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PatchSiren cyber security CVE debrief

CVE-2026-113313 Google CVE debrief

A memory corruption vulnerability in Google Chrome's DevTools, prior to version 156.0.8078.47, could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security severity is rated as Low. This vulnerability affects defenders managing Google Chrome deployments, particularly in environments where users access HTML pages from untrusted sources. Verification and updates are necessary to mitigate potential risks. The CVE record and source item provide information on the vulnerability, its impact, and affected versions.

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, particularly in environments where users access HTML pages from untrusted sources, should assess exposure and prioritize updates.

Why it matters

The CVE-2026-113313 vulnerability in Google Chrome's DevTools requires attention from defenders managing Chrome deployments, particularly in environments exposed to untrusted HTML pages. The vulnerability's low Chromium security severity rating suggests that exploitation is not widespread, but verification and updates are still necessary.

  • Potential for remote code execution inside the sandbox
  • Need for verification of Google Chrome version and updates
  • Monitoring for potential exploitation attempts

Technical summary

The vulnerability is caused by a memory corruption issue in Google Chrome's DevTools, which could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The issue is related to the handling of HTML pages in Google Chrome's DevTools, and defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later. The vulnerability's technical details are based on the CVE record and source item, which provide information on the vulnerability, its impact, and affected versions.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later, and monitor for potential exploitation attempts.

Recommended defensive actions

  • Verify and update Google Chrome to version 156.0.8078.47 or later
  • Monitor for potential exploitation attempts
  • Review and implement secure coding practices for HTML page handling
  • Perform vulnerability assessment to identify potential exposure
  • Implement compensating controls for exposed systems
  • Review asset inventory for affected Google Chrome deployments
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record and source item provide information on the vulnerability, its impact, and affected versions. However, the corpus does not establish concrete exploitation or victim data. Defenders should verify and update Google Chrome to version 156.0.8078.47 or later. The vulnerability's low Chromium security severity rating suggests that exploitation is not widespread, but verification and updates are still necessary. There is no evidence of widespread exploitation or specific victim data available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113313 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113313

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

  • CVE-2026-113313 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113313

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

Supplemental references

  • CVE-2026-113313

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113313.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/554475322

    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.