How severe is CVE-2015-6757?

CVE-2015-6757 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-6757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6757?

CVE-2015-6757 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6757?

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-2015-6757 published?

CVE-2015-6757 was published on 2015-10-15 and last updated on 2026-06-17.

CVE-2015-6757

CVE-2015-6757 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% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Chrome
Published: 2015-10-15
Last modified: 2026-06-17

Description

Use-after-free vulnerability in content/browser/service_worker/embedded_worker_instance.cc in the ServiceWorker implementation in Google Chrome before 46.0.2490.71 allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging object destruction in a callback.

Frequently asked questions

What is CVE-2015-6757?: Use-after-free vulnerability in content/browser/service_worker/embedded_worker_instance.cc in the ServiceWorker implementation in Google Chrome before 46.0.2490.71 allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging object destruction in a callback.
How severe is CVE-2015-6757?: CVE-2015-6757 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-6757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6757?: CVE-2015-6757 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6757?: 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-2015-6757 published?: CVE-2015-6757 was published on 2015-10-15 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Google Chrome

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2015-8548 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google V8 before 4.7.80.23, as used in Google Chrome before 47.0.2526.80, allow…
CVE-2015-6791 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google Chrome before 47.0.2526.80 allow attackers to cause a denial of service…
CVE-2015-6788 — Critical (CVSS 10.0): The ObjectBackedNativeHandler class in extensions/renderer/object_backed_native_handler.cc in the extensions subsystem…
CVE-2015-8480 — Critical (CVSS 10.0): The VideoFramePool::PoolImpl::CreateFrame function in media/base/video_frame_pool.cc in Google Chrome before…
CVE-2015-6787 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google Chrome before 47.0.2526.73 allow attackers to cause a denial of service…

All CVEs affecting Google Chrome →