PatchSiren cyber security CVE debrief
CVE-2026-113219 Google CVE debrief
PatchSiren debrief for CVE-2026-113219: Memory corruption in Google Chrome's Contacts feature allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. This vulnerability, with a medium severity, impacts Google Chrome deployments and requires defenders to assess exposure and verify Chrome versions to ensure they are not vulnerable to CVE-2026-113219. The vulnerability was patched in Chrome version 156.0.8078.47. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
- 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
Defenders responsible for Google Chrome deployments should assess exposure and verify Chrome versions to ensure they are not vulnerable to CVE-2026-113219. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal 35
Why it matters
CVE-2026-113219 is a medium-severity vulnerability in Google Chrome's Contacts feature that allows remote attackers to execute arbitrary code inside the sandbox. Defenders responsible for Chrome deployments should assess exposure, verify Chrome versions, and update to the latest version if necessary.
- Remote attackers may execute arbitrary code inside the sandbox
- Successful exploitation requires user interaction via crafted HTML pages
- Defenders must verify Chrome versions to ensure they are not vulnerable
Technical summary
Memory corruption vulnerability in Google Chrome's Contacts feature prior to version 156.0.8078.47 allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. This medium-severity vulnerability impacts Google Chrome deployments and requires defenders to assess exposure and verify Chrome versions to ensure they are not vulnerable to CVE-2026-113219. The vulnerability was patched in Chrome version 156.0.8078.47. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
Defensive priority
Medium
Recommended defensive actions
- Assess exposure of Google Chrome installations to CVE-2026-113219
- Verify Chrome version is 156.0.8078.47 or later
- Update Chrome to the latest version if necessary
- 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
Official CVE Program record and NIST NVD detail page confirm memory corruption vulnerability in Google Chrome prior to 156.0.8078.47. Chromium security severity is Medium. The CVE record was published on 2026-10-20T21:02:08.318Z and has not been modified since then. Defenders should verify Chrome versions to ensure they are not vulnerable. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113219 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113219
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-113219 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113219
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113219
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113219.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/503583985
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.