PatchSiren cyber security CVE debrief

CVE-2026-110139 Google CVE debrief

CVE-2026-110139 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 155.0.8059.79 or earlier. The CVE record was published on 2026-10-13T21:01:45.936Z and has not been modified since then. This use-after-free vulnerability in the Media component allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page, posing a high-severity risk. Users should review and verify the effectiveness of their current security controls.

Vendor: Google
Product: Chrome
CVSS: Unknown
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-10-13
Original CVE updated: 2026-10-14
Advisory published: 2026-10-13
Advisory updated: 2026-10-14

Who should care

Google Chrome users, particularly those with versions prior to 155.0.8059.79, should assess their exposure and take necessary actions to update or verify the effectiveness of their current security controls.

Why it matters

CVE-2026-110139 is a high-severity use-after-free vulnerability in Google Chrome's Media component. It allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Google Chrome users, particularly those with versions prior to 155.0.8059.79, should assess their exposure and update to the latest version.

Remote attackers may execute arbitrary code inside the sandbox
Successful exploitation requires user interaction via a crafted HTML page
The vulnerability is in the Media component of Google Chrome

Technical summary

A use-after-free vulnerability exists in the Media component of Google Chrome prior to version 155.0.8059.79. This vulnerability allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is a high-severity issue, and users should assess their exposure and update to the latest version. Google Chrome users, particularly those with versions prior to 155.0.8059.79, should review and verify the effectiveness of their current security controls to mitigate potential risks.

Defensive priority

High

Recommended defensive actions

Update Google Chrome to version 155.0.8059.79 or later
Review and verify the effectiveness of current security controls
Monitor for potential exploitation attempts
Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
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

Evidence notes

The CVE record and NVD entry provide details on a use-after-free vulnerability in Google Chrome's Media component. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page.

Sources and references

Verified primary and authoritative sources

CVE-2026-110139 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-110139

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-110139 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110139

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

Supplemental references

CVE-2026-110139
Unverified legacy reference

URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/110xxx/CVE-2026-110139.json

cve_program_cvelist_v5
Source reference
Unverified legacy reference

URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_01668083673.html

Supplemental source
Source reference
Unverified legacy reference

URL: https://issues.chromium.org/issues/568037533

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.