How severe is CVE-2016-5128?

CVE-2016-5128 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-2016-5128 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5128?

CVE-2016-5128 primarily affects Google Chrome. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-5128?

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-2016-5128 published?

CVE-2016-5128 was published on 2016-07-23 and last updated on 2026-06-17.

CVE-2016-5128

CVE-2016-5128 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-254.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Google Chrome
Published: 2016-07-23
Last modified: 2026-06-17

Description

objects.cc in Google V8 before 5.2.361.27, as used in Google Chrome before 52.0.2743.82, does not prevent API interceptors from modifying a store target without setting a property, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Frequently asked questions

What is CVE-2016-5128?: objects.cc in Google V8 before 5.2.361.27, as used in Google Chrome before 52.0.2743.82, does not prevent API interceptors from modifying a store target without setting a property, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.
How severe is CVE-2016-5128?: CVE-2016-5128 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-2016-5128 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5128?: CVE-2016-5128 primarily affects Google Chrome. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5128?: 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-2016-5128 published?: CVE-2016-5128 was published on 2016-07-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:google:v8:5.2.360:*:*:*:*:*:*:*

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