CVE-2015-6788

The ObjectBackedNativeHandler class in extensions/renderer/object_backed_native_handler.cc in the extensions subsystem in Google Chrome before 47.0.2526.80 improperly implements handler functions, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that leverage "type confusion."

Published: 2015-12-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-6788 is rated High Risk (69.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.18%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2015-6788

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 2026-03-22 4.25% 3.18% -1.08%
2 2025-07-16 4.63% 4.25% -0.38%
3 2025-07-02 — 4.63% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6788

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-6788

OS Trackers for CVE-2015-6788

vendor priority summary link
gentoo normal CVE-2015-6788: 1 GLSA(s) (201603-09), 1 atom(s) (www-client/chromium); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-6788
redhat high — https://access.redhat.com/security/cve/CVE-2015-6788
ubuntu medium CVE-2015-6788 medium priority: Ubuntu including 2 source packages (chromium-browser, oxide-qt), 10 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 4, not-affected 3, DNE 2, ignored 1. https://ubuntu.com/security/CVE-2015-6788

NVD evaluator notes for CVE-2015-6788

Comment: <a href="https://cwe.mitre.org/data/definitions/843.html">CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')</a>

Affected software / configurations for CVE-2015-6788

Vendor Product Version Raw CPE
google chrome <= 47.0.2526.73 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

References for CVE-2015-6788

cvelogic Threat Intelligence