Use-after-free vulnerability in content/browser/appcache/appcache_update_job.cc in Google Chrome before 47.0.2526.73 allows remote attackers to execute arbitrary code or cause a denial of service by leveraging the mishandling of AppCache update jobs.
Conclusion & alert: CVE-2015-6765 is rated High Risk (71.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.48%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 4.71% | 4.48% | -0.23% |
| 2 | 2025-06-29 | 5.52% | 4.71% | -0.81% |
| 3 | 2025-04-12 | — | 5.52% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2015-6765: 1 GLSA(s) (201603-09), 1 atom(s) (www-client/chromium); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-6765 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2015-6765 |
ubuntu
|
medium | CVE-2015-6765 medium priority: Ubuntu including 2 source packages (chromium-browser, oxide-qt), 10 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 8, DNE 1, ignored 1. | https://ubuntu.com/security/CVE-2015-6765 |
: <a href="http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>