PatchSiren cyber security CVE debrief
CVE-2026-113205 Google CVE debrief
A use-after-free vulnerability in Google Chrome's Variations feature prior to version 156.0.8078.47 allows remote attackers to execute arbitrary code within the sandbox via a crafted HTML page. This issue, classified as Medium severity by Chromium, was patched in the stable channel update. Chrome users should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability.
- 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
Chrome users and administrators should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability. This includes IT teams managing Chrome deployments, security teams monitoring for potential threats, and individual users ensuring their browser is up-to-date. The vulnerability's medium severity and potential for remote code execution within the sandbox make it important for those relying on Chrome for daily operations or using
Why it matters
CVE-2026-113205 is a use-after-free vulnerability in Google Chrome's Variations feature that allows remote attackers to execute arbitrary code within the sandbox. Chrome users should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability.
- Remote code execution within the sandbox
- Potential for crafted HTML page attacks
- Medium severity classification by Chromium
Technical summary
A use-after-free vulnerability in Google Chrome's Variations feature prior to version 156.0.8078.47 allows remote attackers to execute arbitrary code within the sandbox via a crafted HTML page. This issue was classified as Medium severity by Chromium and patched in the stable channel update. The vulnerability allows for code execution within the sandbox, limiting potential damage but still posing a risk due to the potential for crafted HTML page attacks. Chrome users and administrators should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability.
Defensive priority
Medium
Recommended defensive actions
- Verify Chrome version and update to 156.0.8078.47 or later
- Monitor Chrome releases for future security updates
- Implement sandboxing and isolation for Chrome instances
- 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
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and Chromium security bulletin provide details on the use-after-free vulnerability in Google Chrome's Variations feature. The issue was patched in the stable channel update. Evidence is limited to public sources and may not reflect the full scope or impact. Defenders should verify Chrome version and update to 156.0.8078.47 or later.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113205 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113205
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-113205 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113205
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113205
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113205.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/511820971
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.