How severe is CVE-2016-5171?

CVE-2016-5171 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-5171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5171?

CVE-2016-5171 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5171?

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-2016-5171 published?

CVE-2016-5171 was published on 2016-09-25 and last updated on 2026-06-17.

CVE-2016-5171

CVE-2016-5171 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Google Chrome
Published: 2016-09-25
Last modified: 2026-06-17

Description

WebKit/Source/bindings/templates/interface.cpp in Blink, as used in Google Chrome before 53.0.2785.113, does not prevent certain constructor calls, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code.

Frequently asked questions

What is CVE-2016-5171?: WebKit/Source/bindings/templates/interface.cpp in Blink, as used in Google Chrome before 53.0.2785.113, does not prevent certain constructor calls, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code.
How severe is CVE-2016-5171?: CVE-2016-5171 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-5171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5171?: CVE-2016-5171 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5171?: 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-2016-5171 published?: CVE-2016-5171 was published on 2016-09-25 and last updated on 2026-06-17.

References

Affected products (1)

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

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