How severe is CVE-2016-5127?

CVE-2016-5127 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-5127 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-2016-5127?

CVE-2016-5127 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5127?

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-2016-5127 published?

CVE-2016-5127 was published on 2016-07-23 and last updated on 2026-06-17.

CVE-2016-5127

CVE-2016-5127 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Google Chrome
Published: 2016-07-23
Last modified: 2026-06-17

Description

Use-after-free vulnerability in WebKit/Source/core/editing/VisibleUnits.cpp in Blink, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code involving an @import at-rule in a Cascading Style Sheets (CSS) token sequence in conjunction with a rel=import attribute of a LINK element.

Frequently asked questions

What is CVE-2016-5127?: Use-after-free vulnerability in WebKit/Source/core/editing/VisibleUnits.cpp in Blink, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code involving an @import at-rule in a Cascading Style Sheets (CSS) token sequence in conjunction with a rel=import attribute of a LINK element.
How severe is CVE-2016-5127?: CVE-2016-5127 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-5127 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-2016-5127?: CVE-2016-5127 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5127?: 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-2016-5127 published?: CVE-2016-5127 was published on 2016-07-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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