Blink in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android permitted execution of v8 microtasks while the DOM was in an inconsistent state, which allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via crafted HTML pages.
Conclusion & alert: CVE-2016-5181 is rated Moderate Risk (51.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.97%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-19 | 1.79% | 1.97% | +0.18% |
| 2 | 2026-06-15 | 0.35% | 1.79% | +1.44% |
| 3 | 2025-08-21 | — | 0.35% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2016-5181: 1 GLSA(s) (201610-09), 1 atom(s) (www-client/chromium); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-5181 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2016-5181 |
ubuntu
|
medium | CVE-2016-5181 medium priority: Ubuntu including 2 source packages (chromium-browser, oxide-qt), 12 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): released 10, DNE 1, ignored 1. | https://ubuntu.com/security/CVE-2016-5181 |