PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-113048 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 team has assessed this vulnerability as having a Low severity. This issue is significant for defenders managing Google Chrome deployments, particularly those with access to DevTools or users frequently visiting potentially malicious websites, as it requires verification of exposure and application of necessary patches.

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

Who should care

Defenders responsible for managing Google Chrome deployments, especially those with access to DevTools or users frequently visiting potentially malicious websites, should assess exposure and apply necessary patches.

Why it matters

CVE-2026-113048 is a memory corruption vulnerability in Google Chrome's DevTools that could allow remote code execution within the sandbox. Defenders should prioritize verifying exposure and applying patches, especially for systems and users with access to DevTools or frequently visiting potentially malicious websites.

  • Potential for remote code execution within the sandbox
  • Need for verification of exposure and patch application
  • Importance of monitoring for suspicious HTML page activity
  • Potential impact on systems and users with access to DevTools

Technical summary

The vulnerability exists in Google Chrome's DevTools, allowing potential memory corruption via crafted HTML pages. This could enable a remote attacker to execute arbitrary code within the sandbox. The issue is resolved in Google Chrome version 156.0.8078.47 or later. The vulnerability's technical details indicate a need for defenders to prioritize verifying exposure and applying patches, especially for systems and users with access to DevTools or frequently visiting potentially malicious websites. Affected product context and defensive impact should be considered in the assessment and remediation process.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47, especially for systems and users with access to DevTools or frequently visiting potentially malicious websites.

Recommended defensive actions

  • Verify and apply Google Chrome updates to version 156.0.8078.47 or later
  • Assess exposure for systems and users with access to DevTools
  • Monitor for suspicious HTML page activity
  • Consider implementing sandboxing and isolation for critical systems
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, including its existence in Google Chrome prior to version 156.0.8078.47 and the potential for memory corruption via crafted HTML pages. However, specific details on exploitation or victim impact are not provided.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113048 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113048

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

  • CVE-2026-113048 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113048

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

Supplemental references

  • CVE-2026-113048

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113048.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/514445657

    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.