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PatchSiren cyber security CVE debrief

CVE-2026-113280 Google CVE debrief

Memory corruption in Paint in Google Chrome prior to 156.0.8078.47 allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. This Critical severity vulnerability affects Google Chrome deployments, requiring immediate attention from defenders to assess exposure and prioritize updates. The vulnerability's impact includes potential remote code execution inside the sandbox, emphasizing the need for urgent Chrome updates and verification of Chrome versions.

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

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and prioritize updates to prevent potential exploitation. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify Chrome versions and ensure they are up-to-date. The vulnerability's impact on Chrome deployments requires immediate attention to prevent potential remote code execution inside the sandbox.

Why it matters

CVE-2026-113280 is a Critical severity vulnerability in Google Chrome that allows remote attackers to execute arbitrary code inside the sandbox. Defenders should prioritize updates to prevent potential exploitation.

  • Remote code execution inside the sandbox
  • Potential for attacker exploitation
  • Need for urgent Chrome updates
  • Verification of Chrome version

Technical summary

Memory corruption in Paint in Google Chrome prior to 156.0.8078.47 allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. This vulnerability has a Critical security severity and affects Google Chrome, emphasizing the need for defenders to assess exposure and prioritize updates to prevent potential exploitation. The technical impact includes remote code execution inside the sandbox, requiring immediate attention to prevent potential attacks. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 156.0.8078.47 or later
  • Verify Chrome version and ensure it is up-to-date
  • Monitor Chrome for any suspicious activity
  • 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Official CVE Program record and NIST NVD detail page confirm memory corruption vulnerability in Google Chrome. Chromium security severity is Critical. The CVE record was published on 2026-10-20T21:01:45.282Z and has not been modified since then. Defenders should verify Chrome versions and ensure they are up-to-date to prevent potential exploitation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113280 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113280

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

  • CVE-2026-113280 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113280

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

Supplemental references

  • CVE-2026-113280

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113280.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/570740320

    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.