How severe is CVE-2015-6766?

CVE-2015-6766 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-6766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6766?

CVE-2015-6766 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6766?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-6766 published?

CVE-2015-6766 was published on 2015-12-06 and last updated on 2026-06-17.

CVE-2015-6766

CVE-2015-6766 is a high-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Chrome
Published: 2015-12-06
Last modified: 2026-06-17

Description

Use-after-free vulnerability in the AppCache implementation in Google Chrome before 47.0.2526.73 allows remote attackers with renderer access to cause a denial of service or possibly have unspecified other impact by leveraging incorrect AppCacheUpdateJob behavior associated with duplicate cache selection.

Frequently asked questions

What is CVE-2015-6766?: Use-after-free vulnerability in the AppCache implementation in Google Chrome before 47.0.2526.73 allows remote attackers with renderer access to cause a denial of service or possibly have unspecified other impact by leveraging incorrect AppCacheUpdateJob behavior associated with duplicate cache selection.
How severe is CVE-2015-6766?: CVE-2015-6766 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-6766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6766?: CVE-2015-6766 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6766?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-6766 published?: CVE-2015-6766 was published on 2015-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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