PatchSiren cyber security CVE debrief
CVE-2026-113070 Google CVE debrief
A Chrome vulnerability, identified as CVE-2026-113070, allows remote attackers to read memory inside the sandbox via a crafted HTML page. This out-of-bounds read issue in GetUserMedia affects Google Chrome versions prior to 156.0.8078.47. The vulnerability has a medium severity level according to Chromium's security assessment. Defenders should be aware of the potential for memory reads and take steps to verify and apply patches. The CVE record and source item provide details on the vulnerability, but additional verification is needed to confirm affected versions and exploitation.
- 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 managing Google Chrome deployments should assess exposure and prioritize patching to prevent potential memory reads. This includes reviewing and updating inventory of Chrome versions to ensure patch compliance, verifying patch compliance, and monitoring Chrome releases for updates. Security teams and vulnerability management teams should also be aware of the potential security impacts and take steps to mitigate them.
Why it matters
The CVE-2026-113070 vulnerability in Google Chrome allows remote attackers to read memory inside the sandbox. Defenders should prioritize verifying and applying patches to prevent potential security impacts.
- Verify patch compliance to prevent potential memory reads.
- Monitor Chrome releases for updates and apply them promptly to maintain security.
Technical summary
The vulnerability is an out-of-bounds read in GetUserMedia in Google Chrome prior to 156.0.8078.47, allowing remote attackers to read memory inside the sandbox via a crafted HTML page. This issue has a medium severity level according to Chromium's security assessment. The vulnerability affects Google Chrome deployments, and defenders should prioritize verifying and applying patches to prevent potential memory reads. Additional verification is needed to confirm affected versions and exploitation. The CVE record and source item provide details on the vulnerability.
Defensive priority
Defenders should prioritize verifying and applying patches for Google Chrome to prevent potential memory reads.
Recommended defensive actions
- Verify and apply Google Chrome patches to prevent potential memory reads.
- Monitor Chrome releases for updates and apply them promptly.
- Review and update inventory of Chrome versions to ensure patch compliance.
- 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 vulnerability, but additional verification is needed to confirm affected versions and exploitation. Defenders should verify patch compliance and monitor Chrome releases for updates to maintain security. The vulnerability's impact is limited to memory reads within the sandbox, but it is still crucial to prioritize patching to prevent potential security impacts.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113070 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113070
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-113070 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113070
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113070
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113070.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/499112419
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.