PatchSiren cyber security CVE debrief
CVE-2026-110916 Google CVE debrief
CVE-2026-110916 is an improper input validation vulnerability in Google Chrome prior to version 155.0.8059.84. This vulnerability could potentially allow a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. The Chromium security severity is rated as Medium. The vulnerability affects Google Chrome deployments, particularly in environments where users may access untrusted or crafted HTML pages. Defenders should assess exposure and prioritize verification and updates. The CVE record and NVD entry provide details on the vulnerability, but additional information on exploitation or impact is limited.
- Vendor
- Product
- Chrome
- CVSS
- Unknown
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-15
- Original CVE updated
- 2026-10-16
- Advisory published
- 2026-10-15
- Advisory updated
- 2026-10-16
Who should care
Defenders responsible for managing Google Chrome deployments, particularly in environments where users may access untrusted or crafted HTML pages, should assess exposure and prioritize verification and updates.
Why it matters
CVE-2026-110916 is a Medium-severity vulnerability in Google Chrome that could allow remote attackers to execute arbitrary code outside the sandbox. Defenders should prioritize verifying and updating Chrome, assessing exposure, and monitoring for exploitation attempts.
- Potential execution of arbitrary code outside the sandbox
- Possible exploitation via crafted HTML pages
- Verification of Google Chrome version and updates needed
- Monitoring for potential exploitation attempts recommended
Technical summary
The vulnerability is caused by improper input validation in Google Chrome prior to version 155.0.8059.84. This could allow a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. The vulnerability affects Google Chrome deployments, and defenders should prioritize verifying and updating Google Chrome to version 155.0.8059.84 or later. The Chromium security severity is rated as Medium, and defenders should assess exposure for users who may have accessed crafted HTML pages.
Defensive priority
Defenders should prioritize verifying and updating Google Chrome to version 155.0.8059.84 or later, and assess exposure for users who may have accessed crafted HTML pages.
Recommended defensive actions
- Verify and update Google Chrome to version 155.0.8059.84 or later
- Assess exposure for users who may have accessed crafted HTML pages
- Monitor for potential exploitation attempts
Evidence notes
The CVE record and NVD entry provide details on the vulnerability, but additional information on exploitation or impact is limited. Further verification is needed to determine the full scope of affected systems and potential consequences.
Sources and references
Verified primary and authoritative sources
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CVE-2026-110916 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-110916
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-110916 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110916
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_01886704284.html
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Source reference
Unverified legacy reference
URL: https://issues.chromium.org/issues/501886301
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.