PatchSiren cyber security CVE debrief

CVE-2026-113093 Google CVE debrief

CVE-2026-113093 debrief based on the supplied source corpus. The CVE record was published on 2026-10-20T21:01:54.371Z and has not been modified since then. This memory corruption vulnerability in DisplayLocking in Google Chrome prior to 156.0.8078.47 allows a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. Defenders responsible for Chrome deployments should assess exposure and prioritize updates to prevent potential arbitrary code execution inside the sandbox. The vulnerability requires verification of Chrome versions and updates, monitoring of Chrome releases for future updates, and implementation of secure coding practices for

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 Chrome deployments should assess exposure and prioritize updates to prevent potential arbitrary code execution inside the sandbox. The vulnerability requires verification of Chrome versions and updates, monitoring of Chrome releases for future updates, and implementation of secure coding practices for HTML page handling. Defenders should review and implement secure coding practices for HTML page handling and monitor Chrome

Why it matters

CVE-2026-113093 is a memory corruption vulnerability in DisplayLocking in Google Chrome prior to 156.0.8078.47. Defenders responsible for Chrome deployments should assess exposure and prioritize updates to prevent potential arbitrary code execution inside the sandbox. The vulnerability requires verification of Chrome versions and updates, monitoring of Chrome releases for future updates, and implementation of secure coding practices for HTML page handling.

Potential arbitrary code execution inside the sandbox
Verification of Chrome versions and updates required
Monitoring of Chrome releases for future updates recommended
Implementation of secure coding practices for HTML page handling

Technical summary

Memory corruption in DisplayLocking in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability requires verification of Chrome versions and updates, monitoring of Chrome releases for future updates, and implementation of secure coding practices for HTML page handling. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to prevent potential arbitrary code execution inside the sandbox.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later.

Recommended defensive actions

Verify Chrome versions and update to 156.0.8078.47 or later
Monitor Chrome releases for future updates
Review and implement secure coding practices for HTML page handling
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 memory corruption vulnerability in DisplayLocking in Google Chrome prior to 156.0.8078.47. The vulnerability allows a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. Defenders should verify Chrome versions and update to 156.0.8078.47 or later. The source item provides CVE-2026-113093 details. Official CVE Program record with source-provided CVE metadata. Official NIST NVD detail page and source-specific vulnerability assessment.

Sources and references

Verified primary and authoritative sources

CVE-2026-113093 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-113093

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-113093 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113093

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

Supplemental references

CVE-2026-113093
Unverified legacy reference

URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113093.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/567612004

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.