PatchSiren cyber security CVE debrief
CVE-2026-113155 Google CVE debrief
CVE-2026-113155 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 156.0.8078.47 and earlier. The CVE record was published on 2026-10-20T21:02:09.705Z and has not been modified since then. This use-after-free vulnerability in Glic could allow remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Users should verify their version and update to the latest to mitigate potential risks. Chrome's security severity is rated as Medium.
- Vendor
- 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
Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and update to the latest version. This includes Chrome users in managed environments, security teams monitoring for potential exploitation attempts, and operators relying on Chrome for critical tasks. Vulnerability management and platform security teams should prioritize verification and updates.
Why it matters
CVE-2026-113155 is a use-after-free vulnerability in Google Chrome that could allow remote attackers to execute arbitrary code inside the sandbox. Chrome users should verify their version and update to 156.0.8078.47 or later to mitigate potential risks.
- Potential remote code execution inside the sandbox
- Possible exploitation via crafted HTML pages
- Need for version verification and updates
- Importance of monitoring for exploitation attempts
Technical summary
A use-after-free vulnerability in Glic in 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 security severity rating according to Chromium. Technical details are limited to CVE Program and NVD records. No additional information is available on root cause or exploit methods. Chrome users should focus on version verification and updates for mitigation. The vulnerability could lead to potential remote code execution inside the sandbox.
Defensive priority
Medium priority for Chrome users to verify and update to the latest version.
Recommended defensive actions
- Verify Chrome version and update to 156.0.8078.47 or later
- Review and implement security best practices for sandboxing
- Monitor for potential exploitation attempts
- 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 NVD entry provide details on the use-after-free vulnerability in Google Chrome prior to version 156.0.8078.47. Evidence is limited to public CVE Program and NVD records. Defenders should verify Chrome version exposure and update to 156.0.8078.47 or later. No additional information is available on exploitation or affected scope.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113155 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113155
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-113155 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113155
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113155
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113155.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/505994167
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.