PatchSiren cyber security CVE debrief
CVE-2026-113072 Google CVE debrief
A critical memory corruption vulnerability in Google Chrome's CSS processing prior to version 156.0.8078.47 could allow remote attackers to potentially execute arbitrary code outside the sandbox via a crafted HTML page. This vulnerability, with a critical severity rating, poses significant risks to Chrome users, especially those in environments exposed to untrusted HTML pages. Timely remediation and verification of Chrome deployments are crucial to mitigate potential risks. Chrome users should assess and prioritize updating to the latest version to prevent potential code execution outside the sandbox.
- Vendor
- Product
- Chrome
- CVSS
- Unknown
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-20
- Original CVE updated
- 2026-10-22
- Advisory published
- 2026-10-20
- Advisory updated
- 2026-10-22
Who should care
Chrome users, particularly those in environments where exposure to untrusted HTML pages is possible, should assess and prioritize updating to the latest version. This includes users in environments where Chrome is widely used, as the vulnerability's critical severity and potential for code execution make timely remediation and verification of Chrome deployments crucial. Operators, security teams, and platform administrators should review and verify Chrome
Why it matters
CVE-2026-113072 is a critical memory corruption vulnerability in Google Chrome's CSS processing. It allows remote attackers to potentially execute arbitrary code outside the sandbox via crafted HTML pages. Chrome users, especially in environments exposed to untrusted HTML pages, should prioritize updating to version 156.0.8078.47 or later. The vulnerability's critical severity and potential for code execution make timely remediation and verification of Chrome deployments crucial.
- Potential code execution outside the sandbox via crafted HTML pages
- Exposure to untrusted HTML pages may lead to arbitrary code execution
- Verification of Chrome version updates is crucial for mitigating potential risks
- Remediation priority is high for environments where Chrome is widely used
Technical summary
Memory corruption in CSS processing in Google Chrome prior to 156.0.8078.47 allows a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. This critical vulnerability in Google Chrome's CSS processing enables remote attackers to execute arbitrary code outside the sandbox. Chrome users should update to version 156.0.8078.47 or later to mitigate potential code execution risks. Technical details indicate a high severity rating due to potential code execution outside the sandbox.
Defensive priority
High priority for Chrome users to update to version 156.0.8078.47 or later to mitigate potential code execution risks.
Recommended defensive actions
- Update Google Chrome to version 156.0.8078.47 or later
- Review and monitor HTML page processing in Chrome for potential crafted page exposure
- Assess and verify version updates across Chrome deployments
- 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 Google Chrome's CSS processing. Chromium security severity is rated as Critical. The vulnerability allows remote attackers to potentially execute arbitrary code outside the sandbox via crafted HTML pages. Evidence is limited to CVE Program and NVD details. Defenders should verify Chrome version updates and review HTML page processing for potential crafted page exposure.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113072 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113072
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-113072 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113072
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113072
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113072.json
cve_program_cvelist_v5
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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/570638836
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.