PatchSiren cyber security CVE debrief

CVE-2026-113123 Google CVE debrief

CVE-2026-113123 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 156.0.8078.47 or earlier. The CVE record was published on 2026-10-20T21:02:23.960Z and has not been modified since then. This use after free vulnerability in the GPU of Google Chrome allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Users of Google Chrome, particularly those with versions prior to 156.0.8078.47, should assess their exposure and consider updating to the latest version to prevent potential attacks.

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

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and consider updating to the latest version. This vulnerability affects users of Google Chrome, and those with versions prior to 156.0.8078.47 are at risk of potential attacks. Users should review their current version and update to the latest version to prevent potential attacks.

Why it matters

CVE-2026-113123 is a use after free vulnerability in the GPU of Google Chrome that allows remote attackers to execute arbitrary code inside the sandbox. Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and consider updating to the latest version to prevent potential attacks.

Remote attackers may execute arbitrary code inside the sandbox
Chrome users may be vulnerable to attacks targeting this vulnerability
Verification of Chrome version and updating to the latest version is necessary

Technical summary

A use after free vulnerability in the GPU of Google Chrome prior to version 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability has a medium severity and affects Google Chrome users with versions prior to 156.0.8078.47. Users should assess their exposure and consider updating to the latest version to prevent potential attacks. The vulnerability is a use after free issue in the GPU of Google Chrome, which can be exploited by a remote attacker to execute arbitrary code inside the sandbox.

Defensive priority

Medium priority for Chrome users to verify and update to the latest version.

Recommended defensive actions

Verify and update Google Chrome to the latest version
Assess exposure to version 156.0.8078.47 or earlier
Monitor for potential attacks targeting this vulnerability
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

The CVE Program record and NVD vulnerability detail page provide official information about the vulnerability. Google Chrome versions prior to 156.0.8078.47 are affected. The vulnerability has a medium severity and is a use after free issue in the GPU of Google Chrome. The CVE record was published on 2026-10-20T21:02:23.960Z and has not been modified since then.

Sources and references

Verified primary and authoritative sources

CVE-2026-113123 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-113123

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-113123 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113123

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

Supplemental references

CVE-2026-113123
Unverified legacy reference

URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113123.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/551930637

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.