PatchSiren cyber security CVE debrief
CVE-2026-113086 Google CVE debrief
CVE-2026-113086 debrief based on CVE Program and NVD records. Google Chrome versions prior to 156.0.8078.47 are affected by an improper input validation vulnerability. This CVE record was published on 2026-10-20T21:02:36.384Z and has not been modified since then. The NVD entry is currently unclassified. The vulnerability exists in the Input component of Google Chrome, which is a widely-used web browser. Defenders should be aware of the potential impact of this vulnerability and take necessary actions to mitigate it.
- Vendor
- 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
Defenders responsible for Chrome deployments should assess exposure and prioritize patching due to potential code execution risk. Defenders should also verify Chrome versions and apply patches to prevent potential exploitation. Additionally, defenders should review Chromium security updates and monitor for potential sandbox escapes. Defenders should be aware of the potential impact of this vulnerability and take necessary actions to mitigate it.
Why it matters
CVE-2026-113086 is a medium-severity vulnerability in Google Chrome that requires verification of affected versions and potential mitigation to prevent code execution inside the sandbox.
- Potential code execution inside the sandbox requires verification and mitigation
- Defenders must verify Chrome versions and apply patches to prevent potential exploitation
- Additional monitoring may be necessary to detect potential sandbox escapes
Technical summary
Google Chrome prior to 156.0.8078.47 has an improper input validation vulnerability in the Input component. This could potentially allow remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is caused by a lack of proper input validation in the Input component, which can be exploited by remote attackers to execute arbitrary code. Defenders should prioritize verifying Chrome versions and applying patches due to potential code execution risk inside the sandbox. The vulnerability is a medium-severity issue, and defenders should take necessary actions to mitigate it.
Defensive priority
Defenders should prioritize verifying Chrome versions and applying patches due to potential code execution risk inside the sandbox.
Recommended defensive actions
- Verify Chrome version and apply patches
- Monitor for potential sandbox escapes
- Review Chromium security updates
- 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
- technicalSummary
Evidence notes
The CVE record and NVD entry provide details on the vulnerability, but additional verification is needed to confirm affected versions and potential impact. The vulnerability is caused by improper input validation in the Input component of Google Chrome. The CVE Program and NVD records provide some information about the vulnerability, but further analysis is required to fully understand its impact. Defenders should verify Chrome versions and apply patches to prevent potential exploitation.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113086 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113086
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-113086 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113086
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113086
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113086.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/567673405
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.